Kosmos 2558 and USA 326

In the past several months Kosmos 2558 (53323, 2022-089A)
has been maneuvering two or three times per month to keep its
altitude between 441 and 444 km and to keep its orbit plane close
to the plane of USA 326 (51445, 2022-009A).

Now Kosmos 2558 has raised its orbit further, bringing it closer
to the orbit of USA 326. Kosmos 2558 is now in a 446 x 455 km
orbit, while USA 326 is in a 489 x 505 km orbit. Assuming no further
orbit changes, there will be relatively close passes in the future, e.g.
Kosmos 2558 will pass USA 326 at a distance of about 44.6 km on
2023-03-18 around 07:05 UTC.

Kosmos 2558, which is based on the 14F150 Nivelir platform like its
predecessors Kosmos 2519 and Kosmos 2542, was launched into the
orbit plane of USA 326 on August 1, 2022. So far no 'Inspektor'
subsatellite appears to have been deployed from Kosmos 2558.

NJ


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