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

18394

Days in orbit

Revolutions

≈ 12.2

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: 1975-016J

Object number (NORAD): 7686

Object ID (CCSDS): 7686

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 117.924 minutes

Inclination: 73.998 deg

SMA: 7965.78 km

Apoapsis: 1718.173 km

Periapsis: 1457.117 km

RAAN: 239.9165 deg

Eccentricy: 0.0163861

Argument of periapsis: 53.5986 deg

Mean anomaly: 118.5341 deg

Mean motion: 12.21125443 rev/day

Mean motion (dot): -0.00000076 rev/day2

B* drag term: -0.00056475 1/REarth

Two-line elements (TLE)

Creation date: July 8, 2025, 2:27 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 7, 2025, 10:19 p.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 07686U 75016J 25188.93009873 -.00000076 00000-0 -56475-3 0 9994

TLE line 2: 2 07686 73.9980 239.9165 0163861 53.5986 118.5341 12.21125443244212

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
OV1-2 HEO 2025-05-26 21:46:54 0.000477162 365.0 (m) PAYLOAD

Associated space launch

Military communications satellites

SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 81-88’, on board a Kosmos-3M space rocket.

The launch took place on Feb. 28, 1975, 2:01 p.m. from 132/2.

For more information about the launch, click the button.

Launch to space Kosmos-3M | Strela-1M 81-88
Kosmos-3M | Strela-1M 81-88

Agency: N/A

Status: Launch Successful

Launch date: Feb. 28, 1975, 2:01 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/2

Location: Plesetsk Cosmodrome, Russian Federation

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