www.OrbitalFocus.uk
Payload descriptions and some orbit details available
L-192
#074focus.uk/2025#074" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#074
L-174
#077focus.uk/2025#077" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#077
Payload descriptions and some orbit details available
L-192
#074focus.uk/2025#074" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#074
L-174
#077focus.uk/2025#077" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#077
Chinese Space Station
The small sat released on Apr 7 (63523, 2021-035E)
made a thruster firing Apr 16 with no significant effect on orbit height
Behaviour is similar to 62300/035D that was in orbit between 2024 Dec 7 and 2025 Apr 7
#63523cus.uk/2021#63523" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2021#63523
Chinese Space Station
The small sat released on Apr 7 (63523, 2021-035E)
made a thruster firing Apr 16 with no significant effect on orbit height
Behaviour is similar to 62300/035D that was in orbit between 2024 Dec 7 and 2025 Apr 7
#63523cus.uk/2021#63523" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2021#63523
Chinese Space Station
Released a small object on Apr 7 (63523, 2021-035E)
#035focus.uk/2021#035" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2021#035
May be similar to 62300/035D released 2024 Dec 7 - it re-entered the same day the new item appeared (Space-Track re-entry date of April 10 is incorrect)
Chinese Space Station
Released a small object on Apr 7 (63523, 2021-035E)
#035focus.uk/2021#035" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2021#035
May be similar to 62300/035D released 2024 Dec 7 - it re-entered the same day the new item appeared (Space-Track re-entry date of April 10 is incorrect)
MEV 1 (44625, 2019-067B)
Northrop Grumman completed contract to provide 5 yrs support to Intelsat 901
Moved to graveyard orbit Mar 31 to release Intelsat
Will return to GEO to take over station keeping and pointing of another Intelsat
#44625cus.uk/2019#44625" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2019#44625
MEV 1 (44625, 2019-067B)
Northrop Grumman completed contract to provide 5 yrs support to Intelsat 901
Moved to graveyard orbit Mar 31 to release Intelsat
Will return to GEO to take over station keeping and pointing of another Intelsat
#44625cus.uk/2019#44625" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2019#44625
Cosmos 2581 etc
2025-026C, one of the two parts of Cosmos 2583, made a very small thruster firing earlier today
Effect on orbit height was insignificant
026A & 026B continue to orbit together within a couple of hundred metres of each other
Cosmos 2581 etc
2025-026C, one of the two parts of Cosmos 2583, made a very small thruster firing earlier today
Effect on orbit height was insignificant
026A & 026B continue to orbit together within a couple of hundred metres of each other
4x second generation internet connectivity test satellites
Apr 1, 04:00 UTC
CZ 2D
Jiuquan SC
450 km orbit, lower than the 1000 km of earlier (presumably gen 1) missions
#067focus.uk/2025#067" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#067
4x second generation internet connectivity test satellites
Apr 1, 04:00 UTC
CZ 2D
Jiuquan SC
450 km orbit, lower than the 1000 km of earlier (presumably gen 1) missions
#067focus.uk/2025#067" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#067
Cosmos 2581 etc
026A & B still orbiting in tandem, with B a few metres ahead and doing the station keeping
026C & D are 3000+ km ahead with no orbit changes since separating from each other, not obvious if both are operational satellites
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
Cosmos 2581 etc
026A & B still orbiting in tandem, with B a few metres ahead and doing the station keeping
026C & D are 3000+ km ahead with no orbit changes since separating from each other, not obvious if both are operational satellites
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
Shijian 25
China's satellite servicing vehicle has been sitting at 120° east since launch in January
#002focus.uk/2025#002" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#002
Potential client, Shijian 21, continues slow eastward drift, currently near 143° east
#094focus.uk/2021#094" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2021#094
Could there be a problem?
Shijian 25
China's satellite servicing vehicle has been sitting at 120° east since launch in January
#002focus.uk/2025#002" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#002
Potential client, Shijian 21, continues slow eastward drift, currently near 143° east
#094focus.uk/2021#094" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2021#094
Could there be a problem?
USA 498
Payload on the Falcon 9 launch on Mar 24
The amateur observing community is now tracking it in an orbit close to my initial estimate, see the comparison:
#060focus.uk/2025#060" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#060
USA 498
Payload on the Falcon 9 launch on Mar 24
The amateur observing community is now tracking it in an orbit close to my initial estimate, see the comparison:
#060focus.uk/2025#060" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#060
USA 498
NRO L-69 mission
Space-Track has catalogued a single satellite
Estimated orbit added to the Orbital Focus table based on timing of visual observations of the Falcon 9 from Europe and the location of the Falcon 9 re-entry zone
#060focus.uk/2025#060" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#060
USA 498
NRO L-69 mission
Space-Track has catalogued a single satellite
Estimated orbit added to the Orbital Focus table based on timing of visual observations of the Falcon 9 from Europe and the location of the Falcon 9 re-entry zone
#060focus.uk/2025#060" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#060
Confirms near 65° inclination and demise of F9 above southern Indian Ocean ~20:50 UTC
Also suggests orbit height above 1000 km - possible NOSS mission
#060focus.uk/2025#060" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#060
NRO sat
Mar 24, 17:48 UTC
Falcon 9
CCSFS
Upper stage firing includes an inclination change
First stage aimed at ~50° inclination but stage 2 re-entry zone indicates final orbit ~65° incl
Launch time for Mar 25 is 14 min earlier, also consistent with ~65°
Confirms near 65° inclination and demise of F9 above southern Indian Ocean ~20:50 UTC
Also suggests orbit height above 1000 km - possible NOSS mission
#060focus.uk/2025#060" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#060
NRO sat
Mar 24, 17:48 UTC
Falcon 9
CCSFS
Upper stage firing includes an inclination change
First stage aimed at ~50° inclination but stage 2 re-entry zone indicates final orbit ~65° incl
Launch time for Mar 25 is 14 min earlier, also consistent with ~65°
NRO sat
Mar 24, 17:48 UTC
Falcon 9
CCSFS
Upper stage firing includes an inclination change
First stage aimed at ~50° inclination but stage 2 re-entry zone indicates final orbit ~65° incl
Launch time for Mar 25 is 14 min earlier, also consistent with ~65°
Cosmos 2581 etc
C2582 still harassing 2581
When 026F separated from C2583, their orbits were raised and lowered from the original by similar amounts, suggests similar masses and that a spring mechanism was involved (Newton's third law)
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
Cosmos 2581 etc
C2582 still harassing 2581
When 026F separated from C2583, their orbits were raised and lowered from the original by similar amounts, suggests similar masses and that a spring mechanism was involved (Newton's third law)
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
Cosmos 2581, etc
Object, so far unidentified, was released from Cosmos 2583 on Mar 18 at about 20:15 UTC
C2581 & 2582 continue to orbit together with 2582 making the station keeping effort
Could this be a space weapon system?
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
Cosmos 2581, etc
Object, so far unidentified, was released from Cosmos 2583 on Mar 18 at about 20:15 UTC
C2581 & 2582 continue to orbit together with 2582 making the station keeping effort
Could this be a space weapon system?
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
TJS 15
Interesting events in GEO - apparently two payloads, both have changed orbit
My take on it
#045focus.uk/2025#045" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#045
Shaping up to be similar to the TJS 3 mission
#110focus.uk/2018#110" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2018#110
Intriguingly, TJS 3 departed its GEO station March 17
TJS 15
Interesting events in GEO - apparently two payloads, both have changed orbit
My take on it
#045focus.uk/2025#045" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#045
Shaping up to be similar to the TJS 3 mission
#110focus.uk/2018#110" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2018#110
Intriguingly, TJS 3 departed its GEO station March 17
3x Rodnik store/dump comsats?
Mar 16, 10:50 UTC
Angara 1.2
Plesetsk
Orbit details available
#054focus.uk/2025#054" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#054
Will be given 'Cosmos' numbers
Orbit plane matches an earlier group of Rodnik sats, launched in 2015
#050focus.uk/2015#050" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2015#050
3x Rodnik store/dump comsats?
Mar 16, 10:50 UTC
Angara 1.2
Plesetsk
Orbit details available
#054focus.uk/2025#054" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#054
Will be given 'Cosmos' numbers
Orbit plane matches an earlier group of Rodnik sats, launched in 2015
#050focus.uk/2015#050" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2015#050
C2581 and C2582 are still orbiting close to each other but not flying in formation
C2583 has shown its first sign of life with a very small orbit tweak - maybe a thruster test, it continues to move further ahead of the other two
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
C2581 and C2582 are still orbiting close to each other but not flying in formation
C2583 has shown its first sign of life with a very small orbit tweak - maybe a thruster test, it continues to move further ahead of the other two
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
1 - Dragon Crew 10 has been given an ISS Designation - 1998-067XH instead of 2025-049A
2 - 2025-050B has been named as "ELECTRON KICK STAGE" (ie the third stage) where it is actually the second stage
#049focus.uk/2025#049" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#049
1 - Dragon Crew 10 has been given an ISS Designation - 1998-067XH instead of 2025-049A
2 - 2025-050B has been named as "ELECTRON KICK STAGE" (ie the third stage) where it is actually the second stage
#049focus.uk/2025#049" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#049
Cosmos 2581, etc
Cosmos 2581 & 2582 have near-enough matched orbits as of Mar 9, running in tandem with C2582 less than 20 km in the lead
At the same time C2583 was about 230 km in front of C2581 with the gap increasing by ~100 km/day
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
Cosmos 2581, etc
Cosmos 2581 & 2582 have near-enough matched orbits as of Mar 9, running in tandem with C2582 less than 20 km in the lead
At the same time C2583 was about 230 km in front of C2581 with the gap increasing by ~100 km/day
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
USSF/Boeing X-37B orbiting as USA 349 on Mission OTV 7
Landed at Vandenberg SFB earlier today
#210focus.uk/2023#210" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2023#210
USSF/Boeing X-37B orbiting as USA 349 on Mission OTV 7
Landed at Vandenberg SFB earlier today
#210focus.uk/2023#210" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2023#210
Roscosmos says third object on 2025-026 launch is Cosmos 2851 (thanks to Bart Hendrickx)
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
Orbit of CSO 3 satellite from Mar 6 Ariane launch is classified secret, Ariane 6 upper stage was caused to re-enter
#044focus.uk/2025#044" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#044
Roscosmos says third object on 2025-026 launch is Cosmos 2851 (thanks to Bart Hendrickx)
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
Orbit of CSO 3 satellite from Mar 6 Ariane launch is classified secret, Ariane 6 upper stage was caused to re-enter
#044focus.uk/2025#044" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#044
Shijian 25 - China's GEO satellite servicing mission
Still sitting at 120° east where it arrived 7 weeks ago
#002focus.uk/2025#002" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#002
Shijian 21, its potential client, is currently at 146° east, drifting slowly eastwards at ~0.1°/day,
#094focus.uk/2021#094" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2021#094
Shijian 25 - China's GEO satellite servicing mission
Still sitting at 120° east where it arrived 7 weeks ago
#002focus.uk/2025#002" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#002
Shijian 21, its potential client, is currently at 146° east, drifting slowly eastwards at ~0.1°/day,
#094focus.uk/2021#094" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2021#094
1 - USA 485 & 486, a couple of Starshields running along together
#014focus.uk/2025#014" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#014
2 - Cosmos 2581 & 2582, also co-orbiting
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
1 - USA 485 & 486, a couple of Starshields running along together
#014focus.uk/2025#014" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#014
2 - Cosmos 2581 & 2582, also co-orbiting
#026focus.uk/2025#026" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">orbitalfocus.uk/2025#026
Nav warnings for China & Indian Ocean pointed to launch from Jiuquan Mar 1 at ~09:59 UTC, possibly one of the commercial launchers rather than CZ
Ground track points to 81° inclination, a new one for China
Neither replacement warnings nor news of failure issued yet
Nav warnings for China & Indian Ocean pointed to launch from Jiuquan Mar 1 at ~09:59 UTC, possibly one of the commercial launchers rather than CZ
Ground track points to 81° inclination, a new one for China
Neither replacement warnings nor news of failure issued yet
"Because we are so close on ephemeris, there is a non-zero chance that it [thruster firing] will actually put us on a course to the asteroid..."
AstroForge feed
https://www.astroforge.com/updates/odin-learnings
"Because we are so close on ephemeris, there is a non-zero chance that it [thruster firing] will actually put us on a course to the asteroid..."
AstroForge feed
https://www.astroforge.com/updates/odin-learnings