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

18957

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: 1973-098B

Object number (NORAD): 6966

Object ID (CCSDS): 6966

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 99.675 minutes

Inclination: 74.054 deg

SMA: 7121.165 km

Apoapsis: 758.643 km

Periapsis: 727.416 km

RAAN: 312.263 deg

Eccentricy: 0.00219255

Argument of periapsis: 239.0986 deg

Mean anomaly: 120.8016 deg

Mean motion: 14.44695105 rev/day

Mean motion (dot): 0.00000433 rev/day²

B* drag term: 0.0001323355 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 28, 2025, 7:11 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 28, 2025, 11:11 a.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 06966U 73098B 25301.46622729 .00000433 00000-0 13234-3 0 9999

TLE line 2: 2 06966 74.0540 312.2630 0021925 239.0986 120.8016 14.44695105725991

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
FENGYUN 1C DEB	SSO	2025-09-03 21:19:22	0.0007406287	177.0 (m)	DEBRIS
ARIANE 5 DEB (SYLDA)	GTO	2025-02-03 12:44:49	0.0002064393	198.0 (m)	DEBRIS
CZ-4 DEB	SSO	2024-11-08 01:39:44	0.0004719199	111.0 (m)	DEBRIS
SL-8 R/B	LEO	2024-09-27 01:29:02	0.00169711	359.0 (m)	ROCKET BODY
COSMOS 2251 DEB	LEO	2024-07-28 20:26:32	0.0001185669	588.0 (m)	DEBRIS

Associated space launch

Military communications satellite

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

The launch took place on Dec. 4, 1973, 3 p.m. from 132/2.

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 8

Agency: N/A

Status: Launch Successful

Launch date: Dec. 4, 1973, 3 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/2

Location: Plesetsk Cosmodrome, Russian Federation

...

Go to the launch

Latest news about this satellite

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