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

19927

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: 1970-086B

Object number (NORAD): 4589

Object ID (CCSDS): 4589

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 99.789 minutes

Inclination: 74.0621 deg

SMA: 7126.58 km

Apoapsis: 763.671 km

Periapsis: 733.218 km

RAAN: 27.3538 deg

Eccentricy: 0.0021366

Argument of periapsis: 236.6775 deg

Mean anomaly: 123.2336 deg

Mean motion: 14.43048903 rev/day

Mean motion (dot): 0.00000377 rev/day²

B* drag term: 0.00012 1/R_Earth

Two-line elements (TLE)

Creation date: May 7, 2025, 3:14 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: May 6, 2025, 8:23 p.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 04589U 70086B 25126.84995924 .00000377 00000-0 12000-3 0 9996

TLE line 2: 2 04589 74.0621 27.3538 0021366 236.6775 123.2336 14.43048903861900

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	2025-01-19 03:09:35	0.0005827961	57.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2024-11-22 20:09:26	0.0001516261	323.0 (m)	DEBRIS
COSMOS 990	LEO	2024-09-27 20:05:32	0.006013835	36.0 (m)	PAYLOAD

Associated space launch

Military communications satellite

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

The launch took place on Oct. 16, 1970, 2:59 p.m. from 132/1 (132L).

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 2

Agency: N/A

Status: Launch Successful

Launch date: Oct. 16, 1970, 2:59 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/1 (132L)

Location: Plesetsk Cosmodrome, Russian Federation

...

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