COSMOS 1891

Satellite information

Favourite Embed

Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 1891 at a glance.

Uptime

13940

Days in orbit

Revolutions

≈ 13.7

Per day

Orbit

LEO

Low Earth Orbit

Inclination

82.9

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 1891.

Object identification

Identified? True

Debris? False

Object name: COSMOS 1891

International designator: 1987-087A

Object number (NORAD): 18402

Object ID (CCSDS): 18402

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 104.81 minutes

Inclination: 82.9222 deg

SMA: 7363.688 km

Apoapsis: 1021.826 km

Periapsis: 949.28 km

RAAN: 353.6666 deg

Eccentricy: 0.00492591

Argument of periapsis: 320.6388 deg

Mean anomaly: 39.1191 deg

Mean motion: 13.73914532 rev/day

Mean motion (dot): 0.00000081 rev/day²

B* drag term: 0.000069843405 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 12, 2025, 10:14 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 12, 2025, 2:16 a.m. UTC

TLE line 0: 0 COSMOS 1891

TLE line 1: 1 18402U 87087A 25346.09496874 .00000081 00000-0 69843-4 0 9995

TLE line 2: 2 18402 82.9222 353.6666 0049259 320.6388 39.1191 13.73914532912910

Live tracking on map

Real-time ground track for satellite COSMOS 1891.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 1891.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
COSMOS 1934	LEO	2024-11-14 03:17:26	0.0007673555	108.0 (m)	PAYLOAD

Associated space launch

Navigation satellite providing location information for the Tsiklon-B navigation system

COSMOS 1891 was lifted into orbit during the mission ‘Kosmos-3M | Parus 60’, on board a Kosmos-3M space rocket.

The launch took place on Oct. 14, 1987, 12:35 p.m. from 133/3 (133L).

For more information about the launch, click the button.

Kosmos-3M | Parus 60

Agency: N/A

Status: Launch Successful

Launch date: Oct. 14, 1987, 12:35 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 133/3 (133L)

Location: Plesetsk Cosmodrome, Russian Federation

...

Go to the launch

Latest news about this satellite

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

Return to all satellites

Embed the widget

Just copy the snippet below and paste it as HTML in your article, presentation, e-mail, blog post or website.

<iframe src="https://obdh.space/embed/satcat/18402/" width="400" height="720" frameborder="0"></iframe>

Real-time statistics and tracking

The widget will always be up to date. All data, statistics and tracking map are automatically refreshed in real-time. Check the examples below!

Widget preview

Newsletter sign-up

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