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

16047

Days in orbit

Revolutions

≈ 14.4

Per day

Orbit

LEO

Low Earth Orbit

Inclination

74.0

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: 1982-001B

Object number (NORAD): 13028

Object ID (CCSDS): 13028

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 100.013 minutes

Inclination: 74.0415 deg

SMA: 7137.253 km

Apoapsis: 771.946 km

Periapsis: 746.29 km

RAAN: 71.9276 deg

Eccentricy: 0.00179727

Argument of periapsis: 108.3775 deg

Mean anomaly: 251.9336 deg

Mean motion: 14.39813122 rev/day

Mean motion (dot): 0.00000386 rev/day²

B* drag term: 0.00013129874 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 14, 2025, 3:07 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 13, 2025, 4:38 p.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 13028U 82001B 25347.69348178 .00000386 00000-0 13130-3 0 9990

TLE line 2: 2 13028 74.0415 71.9276 0017973 108.3775 251.9336 14.39813122302892

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 1275 DEB	LEO	2025-05-13 05:11:29	0.0001062089	450.0 (m)	DEBRIS
COSMOS 1818 COOLANT	LEO	2025-04-15 16:44:28	0.001061815	311.0 (m)	DEBRIS
COSMOS 1818 COOLANT	LEO	2025-04-15 08:24:11	0.001006052	612.0 (m)	DEBRIS
DELTA 1 DEB	SSO	2025-02-06 17:25:05	0.0003829527	637.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-09-16 04:08:29	0.0005475273	383.0 (m)	DEBRIS

Associated space launch

Military communications satellite

SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 26’, on board a Kosmos-3M space rocket.

The launch took place on Jan. 7, 1982, 3:38 p.m. from 132/2.

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 26

Agency: N/A

Status: Launch Successful

Launch date: Jan. 7, 1982, 3:38 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/2

Location: Plesetsk Cosmodrome, Russian Federation

...

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