Kosmos-2583 beside Kosmos-2581
A satellite of Russian Ministry of Defense came up beside a satellite of Russian Ministry of Defense, 0.3 km away at the nearest its sources state.
Reported: 1 public report other than Orbinauts names these two.
From the public record
- From
- Feb 5, 2025
- no source states the end
- Closest stated
- 0.3 km
- Jun 10, 2025
- Orbit
- LEO
- low Earth orbit
The one that moved
Kosmos-2583
Russian Ministry of Defense, RU
62904 · 2025-026C · launched Feb 5, 2025
The one it came up to
Kosmos-2581
Russian Ministry of Defense, RU
62902 · 2025-026A · launched Feb 5, 2025
What the sources state
Every day and distance here is the sources’ own, to the precision they state.
- When
- from Feb 5, 2025
- Same planeFeb 5, 2025
- launched together on 5 February 2025 03:59 UTC
- BesideJun 10, 2025
- on 10 June around 09:42 UTC Kosmos 2583 came within a few hundred metres or less of 2581, and again around 19 June
- Closest statedJun 10, 2025
- a few hundred meters or less
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 29, 2025 | Analyst | Marco Langbroek, "RPO Galore: complex proximity operations by Russian satellites", SatTrackCam Leiden, 29 June 2025 |