USA 270 beside Shi Jian 21
A satellite of US Air Force Space Command came up beside a satellite of Shanghai Academy of Space Technology (CASC 8th Acad), as its sources state.
Reported: 1 public report other than Orbinauts names these two.
From the public record
- From
- Jun 9, 2025
- no source states the end
- Orbit
- GEO
- geostationary orbit, over 128.0° E
The one that moved
USA 270
US Air Force Space Command, United States
41744 · 2016-052A · launched Aug 19, 2016
The one it came up to
Shi Jian 21
Shanghai Academy of Space Technology (CASC 8th Acad), CN
49330 · 2021-094A · launched Oct 24, 2021
What the sources state
Every day and distance here is the sources’ own, to the precision they state.
- When
- from Jun 9, 2025
- BesideJun 9, 2025 to Jun 17, 2025
- As of 9 June 16:45 UTC USA 270 and 271 flank SJ-21 and SJ-25 from the east and west; by 17 June USA 270 halted its eastward drift to position itself within the same longitude slot occupied by the SJ pair
The detector was not yet running: it reads low Earth orbit since April 2026 and the geostationary belt since October 2026.
Reported elsewhere
Who else said these two were together, earliest first.
| Said on | Who | What |
|---|---|---|
| Jun 9, 2025 | Tracker | COMSPOC on X, 9 June 2025, and Integrity ISR, Integrity Flash issue 123, 23 June 2025 |