COSMOS 921

Satellite information

Favourite Embed

Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 921 at a glance.

Uptime

17489

Days in orbit

Revolutions

≈ 15.0

Per day

Orbit

LEO

Low Earth Orbit

Inclination

75.8

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 921.

Object identification

Identified? True

Debris? False

Object name: COSMOS 921

International designator: 1977-055A

Object number (NORAD): 10095

Object ID (CCSDS): 10095

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 96.266 minutes

Inclination: 75.8321 deg

SMA: 6957.877 km

Apoapsis: 605.326 km

Periapsis: 554.158 km

RAAN: 189.936 deg

Eccentricy: 0.003677

Argument of periapsis: 298.9439 deg

Mean anomaly: 60.807 deg

Mean motion: 14.95848563 rev/day

Mean motion (dot): 0.0000092 rev/day2

B* drag term: 0.000083198 1/REarth

Two-line elements (TLE)

Creation date: May 12, 2025, 2:31 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: May 11, 2025, 3:17 p.m. UTC

TLE line 0: 0 COSMOS 921

TLE line 1: 1 10095U 77055A 25131.63724758 .00000920 00000-0 83198-4 0 9997

TLE line 2: 2 10095 75.8321 189.9360 0036770 298.9439 60.8070 14.95848563594345

Live tracking on map

Real-time ground track for satellite COSMOS 921.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 921.

Target Orbit TCA Probability of collision Miss distance Type
OBJECT A SSO 2025-03-24 04:40:16 0.0003439878 249.0 (m) UNKNOWN
CZ-4 DEB SSO 2025-02-13 17:25:28 0.000101474 895.0 (m) DEBRIS
FENGYUN 1C DEB SSO 2024-12-16 22:41:17 0.0001181753 545.0 (m) DEBRIS
CZ-6A DEB SSO 2024-11-11 14:20:08 0.0001303748 375.0 (m) DEBRIS

Associated space launch

Dynamic simulator of the Tselina-D ELINT satellite

COSMOS 921 was lifted into orbit during the mission ‘Tsiklon-3 | EPN 03.0380 1’, on board a Tsiklon-3 space rocket.

The launch took place on June 24, 1977, 10:30 a.m. from 32/2.

For more information about the launch, click the button.

Launch to space Tsiklon-3 | EPN 03.0380 1
Tsiklon-3 | EPN 03.0380 1

Agency: N/A

Status: Launch Successful

Launch date: June 24, 1977, 10:30 a.m. UTC

Rocket: Tsiklon-3

Launch pad: 32/2

Location: Plesetsk Cosmodrome, Russian Federation

...

Latest news about this satellite

There are no fresh news available about this satellite. Check back as we update our databases every day.


Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.