Luch-5Kh No. 3 beside Sirius 4

A satellite of Federal'naya sluzhba bezopasnosti Rossiyskoy Federatsii came up beside a satellite of SES Sirius AB, 20 km away at the nearest its sources state.

Reported: 1 public report other than Orbinauts names these two.

From the public record

From
Apr 1, 2024
to Jun 23, 2024
Closest stated
20 km
Orbit
GEO
geostationary orbit, over 4.8° 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

Sirius 4

SES Sirius AB, S

32299 · 2007-057A · launched Nov 17, 2007

What the sources state

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

When
Apr 1, 2024 to Jun 23, 2024
BesideApr 1, 2024 to Apr 2, 2024
4.75 E, 1 Apr to 22 Jun 2024
Closest stated
the distance varies daily between 20 and 70 km
LeftJun 22, 2024 to Jun 23, 2024
large manoeuvre on 22 to 23 June 2024

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.