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/our-company Exton, PA Joined September 2024-
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ZHONGXING-10 Relocated from its ITU Slot to the Far West of China After a 2-month drift, spanning ~34° of GEO, ZHONGXING-10 (SSC.37677) has relocated from its ITU-assigned 110.5°E slot to 76.5°E. The Chinese TV-broadcasting communication satellite, carrying C- and Ku-band…
Meeting on Earth AND in Space — USA 271 Drops by SKYNET-5A USA 271 (SSC.41745), a highly maneuverable Geosynchronous Space Situational Awareness U.S. satellite (GSSAP), halted its westward drift near a U.K. military communications satellite, SKYNET-5A (SSC.30794), at 95.3°E from…
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…
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