SL-8 R/B

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite SL-8 R/B at a glance.

Uptime

15534

Days in orbit

Revolutions

≈ 14.4

Per day

Orbit

LEO

Low Earth Orbit

Inclination

74.1

Latest

Satellite identification and parameters

Extended collection of information and parameters for SL-8 R/B.

Object identification

Identified? True

Debris? False

Object name: SL-8 R/B

International designator: 1983-031B

Object number (NORAD): 13992

Object ID (CCSDS): 13992

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 100.177 minutes

Inclination: 74.0523 deg

SMA: 7145.068 km

Apoapsis: 769.87 km

Periapsis: 763.997 km

RAAN: 172.3547 deg

Eccentricy: 0.000411

Argument of periapsis: 123.6523 deg

Mean anomaly: 236.5023 deg

Mean motion: 14.37451466 rev/day

Mean motion (dot): 0.00000386 rev/day²

B* drag term: 0.00013783 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 21, 2025, 11:56 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 21, 2025, 8:06 p.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 13992U 83031B 25294.83785499 .00000386 00000-0 13783-3 0 9996

TLE line 2: 2 13992 74.0523 172.3547 0004110 123.6523 236.5023 14.37451466226264

Live tracking on map

Real-time ground track for satellite SL-8 R/B.

In-orbit conjunctions

A list of the most updated potential collisions computed for object SL-8 R/B.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
COSMOS 1867 COOLANT	LEO	2025-10-23 22:01:56	0.0001962285	279.0 (m)	DEBRIS
CZ-6A DEB	LEO	2025-03-30 06:19:35	0.0001952278	209.0 (m)	DEBRIS
DMSP 5D-3 F18 DEB	SSO	2025-01-02 22:46:51	0.0001122808	808.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-12-23 18:54:01	0.0001459818	740.0 (m)	DEBRIS
CZ-6A DEB	LEO	2024-12-06 09:17:02	0.000600865	740.0 (m)	DEBRIS

Associated space launch

Military communications satellite

SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 31’, on board a Kosmos-3M space rocket.

The launch took place on April 12, 1983, 6:20 p.m. from 132/2.

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 31

Agency: N/A

Status: Launch Successful

Launch date: April 12, 1983, 6:20 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/2

Location: Plesetsk Cosmodrome, Russian Federation

...

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Latest news about this satellite

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