COSMOS 1898

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 1898 at a glance.

Uptime

13892

Days in orbit

Revolutions

≈ 14.3

Per day

Orbit

LEO

Low Earth Orbit

Inclination

74.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 1898.

Object identification

Identified? True

Debris? False

Object name: COSMOS 1898

International designator: 1987-098A

Object number (NORAD): 18585

Object ID (CCSDS): 18585

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 100.383 minutes

Inclination: 74.0057 deg

SMA: 7154.853 km

Apoapsis: 790.92 km

Periapsis: 762.515 km

RAAN: 94.3515 deg

Eccentricy: 0.00198501

Argument of periapsis: 136.4245 deg

Mean anomaly: 223.8479 deg

Mean motion: 14.34503782 rev/day

Mean motion (dot): 0.0000032 rev/day²

B* drag term: 0.00012247761 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, 6:13 a.m. UTC

TLE line 0: 0 COSMOS 1898

TLE line 1: 1 18585U 87098A 25346.25934860 .00000320 00000-0 12248-3 0 9991

TLE line 2: 2 18585 74.0057 94.3515 0019850 136.4245 223.8479 14.34503782988611

Live tracking on map

Real-time ground track for satellite COSMOS 1898.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 1898.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
DMSP 5D-2 F13 DEB	SSO	2025-11-12 12:42:18	0.00016971	200.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-11-01 05:39:00	0.0001362928	221.0 (m)	DEBRIS
CZ-6A DEB	SSO	2025-04-17 19:16:52	0.0001040054	727.0 (m)	DEBRIS
CZ-6A DEB	LEO	2024-10-14 06:07:31	0.0002105779	301.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-09-11 21:52:14	0.0001519879	242.0 (m)	DEBRIS

Associated space launch

Military communications satellite

COSMOS 1898 was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 43’, on board a Kosmos-3M space rocket.

The launch took place on Dec. 1, 1987, 2:15 p.m. from 133/3 (133L).

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 43

Agency: N/A

Status: Launch Successful

Launch date: Dec. 1, 1987, 2:15 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 133/3 (133L)

Location: Plesetsk Cosmodrome, Russian Federation

...

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