Kosmos-2543 beside Kosmos-2535

An object of Central Sci. Res. Inst. for Chemistry and Mechanics came up beside a satellite of Topographics Service of the Russian Armed Froces, as its sources state.

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

From the public record

From
June 2020
to September 2021
Orbit
LEO
low Earth orbit

The one that moved

Kosmos-2543

Central Sci. Res. Inst. for Chemistry and Mechanics, RU

44835 · 2019-079 · launched Nov 25, 2019

The one it came up to

Kosmos-2535

Topographics Service of the Russian Armed Froces, RU

44421 · 2019-039A · launched Jul 10, 2019

What the sources state

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

When
June 2020 to September 2021
BesideJune 2020
rendezvous with K-2535 (2020 Jun)
LeftSep 3, 2021
ejected Kosmos-2547? (2020 Jul 15); close passes with K-2535 (2021 Jul-Aug); perigee lowered, possibly retired (2021 Sep 3)

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.