COMSPOC_OPS @COMSPOC_OPS
COMSPOC Operations Team | Technical experts in orbital analysis, maneuver detection, and near real-time space tracking | Advancing Space Domain Awareness. comspoc.com/company/about-… Exton, PA Joined September 2024-
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Hey LUCH, How's the New Neighborhood? In our July update, we reported on the Russian satellite, LUCH-5X's (SSC.55841) continuous activity near INTELSAT-39 (SSC.44476) at 62°E. Since then, we've also observed that its predecessor LUCH, commonly known as Olymp (SSC.40258), has…
SJ-25 and SJ-21 Update Last week, the star on our chessboard that docked back in June carried out a major maneuver, reducing its inclination from 10.6° to 4.4°. The event occurred on 8-12 August 2025, expending a total of 353.7 m/s of delta-V. So far, there is no evidence of…
2 Chinese Military Satellites Started Drifting in GEO On 15 August 2025, TJS-16 located at 152.5 deg E performed maneuvers of 1.2 m/s and 1.4 m/s delta-v, resulting in a drift rate increase to 0.92 degree per day on 15 August. Meanwhile, TJS-17, located at 152.8 deg E, executed…
COSMOS 2589 (SSC.64467) and Object C (SSC.64527) have taken the spotlight this past month with their unusually high eccentricity orbits, crossing the GEO belt twice a day. The orbital configuration offers unique opportunities for monitoring and characterizing space objects in…
Restoring funding for the @CommerceinSpace (OSC)'s Space Traffic Coordination (STC) responsibilities is a critical step. But as former OSC Chief Kevin O’Connell said, real progress means fully leveraging commercial SSA capabilities already available; Congress can help by…
This week's interesting close pass: LUCH-5X (SSC.55841), a Russian military GEO satellite tied to the Ministry of Defense and FSB, has been closely shadowing INTELSAT-39 (SSC.44476) since March 2025—remaining within 50 km. The pair reached their closest approach of this month on…
SJ-21 and SJ-25: Rendezvous and Proximity Ops Timeline (June–July 2025) After a brief encounter in mid-June, a second campaign began later that month. On 2 July, both satellites became optically indistinguishable, suggesting docking or sustained close proximity. As of 18 July,…
UPDATE: SHIJIAN‑21 & SHIJIAN‑25 Proximity Operations in GEO SHIJIAN‑21 (SJ-21) and SHIJIAN‑25 (SJ-25) were observed conducting Rendezvous and Proximity Operations (RPO) in geosynchronous orbit during Jun-Jul 2025 with multiple close approaches. The two objects appeared visually…
UPDATE: SHIJIAN‑21 & SHIJIAN‑25 Proximity Operations in GEO SHIJIAN‑21 (SJ-21) and SHIJIAN‑25 (SJ-25) were observed conducting Rendezvous and Proximity Operations (RPO) in geosynchronous orbit during Jun-Jul 2025 with multiple close approaches. The two objects appeared visually… https://t.co/n9UtA2dMO1
On 26 Jun, Object D was officially cataloged by the 18 Space Defense Squadron after its release from COSMOS 2589, a Russian military satellite launched on 19 Jun. This newly released object maintains a similar highly-elliptical orbit. The video demonstrates the orbits of both…
As of 26 June, SHIJIAN-21 remained less than ~80 kilometers from SHIJIAN-25. Meanwhile, USA 270 continued to occupy the mean longitude position of the pair. According to our Space Situational Awareness (SSA) software suite, both satellites performed several small maneuvers to…
COSMOS 2589 (SSN.64467), a Russian military satellite, was launched on 19 June 2025 aboard an Angara-5 rocket from Plesetsk. Public sources classify it as part of the Ekspress-2000 series, a large 3-ton satellite platform. As of 24 June, COSMOS 2589 occupies an unusual…
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