Luch-5Kh No. 3 beside Intelsat IS-39

A satellite of Federal'naya sluzhba bezopasnosti Rossiyskoy Federatsii came up beside a satellite of Intelsat S.A., US headquarters, 12 km away at the nearest its sources state.

Reported: 2 public reports other than Orbinauts name these two.

From the public record

From
Mar 7, 2025
no source states the end
Closest stated
12 km
Jul 22, 2025
Orbit
GEO
geostationary orbit, over 62.0° E

The one that moved

Luch-5Kh No. 3

Federal'naya sluzhba bezopasnosti Rossiyskoy Federatsii, RU

55841 · 2023-031 · launched Mar 12, 2023

The one it came up to

Intelsat IS-39

Intelsat S.A., US headquarters, United States

44476 · 2019-049B · launched Aug 6, 2019

What the sources state

Every day and distance here is the sources’ own, to the precision they state.

When
from Mar 7, 2025
BesideMar 7, 2025
07-03-2025 onward, 62.02 E, INTELSAT 39
Closest statedJul 22, 2025
The pair reached their closest approach of this month on 22 July: ~12 km

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.