SL-8 R/B

Satellite information

Favourite Embed

Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite SL-8 R/B at a glance.

Uptime

19988

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: 99.786 minutes

Inclination: 74.0602 deg

SMA: 7126.454 km

Apoapsis: 762.061 km

Periapsis: 734.577 km

RAAN: 274.4916 deg

Eccentricy: 0.0019283

Argument of periapsis: 107.7832 deg

Mean anomaly: 252.5431 deg

Mean motion: 14.43086961 rev/day

Mean motion (dot): 0.00000172 rev/day²

B* drag term: 0.000059083 1/R_Earth

Two-line elements (TLE)

Creation date: July 6, 2025, 10:26 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 6, 2025, 5:12 p.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 4589U 70086B 25187.71725984 .00000172 00000-0 59083-4 0 9992

TLE line 2: 2 4589 74.0602 274.4916 0019283 107.7832 252.5431 14.43086961871247

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	2025-05-25 15:07:54	0.0009365893	91.0 (m)	DEBRIS
COSMOS 2251 DEB	LEO	2025-05-21 00:52:47	0.001372994	93.0 (m)	DEBRIS
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

...

Go to the launch

Latest news about this satellite

There are no fresh news available about this satellite. Check back as we update our databases every day.

Return to all satellites

Embed the widget

Just copy the snippet below and paste it as HTML in your article, presentation, e-mail, blog post or website.

<iframe src="https://obdh.space/embed/satcat/4589/" width="400" height="720" frameborder="0"></iframe>

Real-time statistics and tracking

The widget will always be up to date. All data, statistics and tracking map are automatically refreshed in real-time. Check the examples below!

Widget preview

Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.