Kosmos-2551

Possible Russian reconnaissance satellite which apparently failed after launch. Kosmos-2551 was launched on September 9, 2021 aboard a Soyuz-2-1V from Plesetsk. Latest status in GCAT: reentered (orbital decay) (Oct 20, 2021).

COSPAR 2021-081ANORAD 49127Russia

Identity

Name in GCAT: Kosmos-2551
Payload designation: EO-MKA No. 1?
International designator: 2021-081A
NORAD catalog number: 49127
GCAT identifier: S49127
UN registration: ST/SG/SER.E/1025

Mission

Mission type: Optical imaging
Use: Defense
Program: EMKA
Owner: MO RF
Country: Russia
Builder: Joint Stock Corp. VNIIEM
Platform (bus): EMKA

Launch

Date: September 9, 2021 · 19:59 UTC
Launch record: 2021-081Success
Rocket: Soyuz-2-1V
Spaceport: Plesetsk · pad LC43/4

Orbit and fate

Orbit class (GCAT): LLEO/S
Perigee: 294 km
Apogee: 307 km
Inclination: 96.34°
Status: Reentered (orbital decay)
Status date: October 20, 2021
Last known active: Sep 9, 2021
End of operations: Oct 20, 2021

Size

Mass: 520 kg
Dry mass: 500 kg
Length: 3.0 m
Diameter: 1.30 m
Span: 3.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q110518766 (CC0).