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

19296

Days in orbit

Revolutions

≈ 14.5

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: 1972-104B

Object number (NORAD): 6324

Object ID (CCSDS): 6324

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 99.643 minutes

Inclination: 74.0775 deg

SMA: 7119.663 km

Apoapsis: 748.546 km

Periapsis: 734.51 km

RAAN: 208.462 deg

Eccentricy: 0.00098571

Argument of periapsis: 280.409 deg

Mean anomaly: 79.5957 deg

Mean motion: 14.45152282 rev/day

Mean motion (dot): 0.00000543 rev/day²

B* drag term: 0.00016276036 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 24, 2025, 2:48 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 23, 2025, 10:07 p.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 06324U 72104B 25296.92173344 .00000543 00000-0 16276-3 0 9993

TLE line 2: 2 06324 74.0775 208.4620 0009857 280.4090 79.5957 14.45152282775590

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	2025-09-01 01:12:47	0.0001637923	246.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2025-06-02 05:22:51	0.002089735	60.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2025-06-01 22:43:52	0.0001065955	94.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2025-06-01 21:04:07	0.0001304666	192.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2025-06-01 19:24:22	0.001270456	87.0 (m)	DEBRIS

Associated space launch

Military communications satellite

SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 7’, on board a Kosmos-3M space rocket.

The launch took place on Dec. 25, 1972, 11:05 p.m. from 132/2.

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 7

Agency: N/A

Status: Launch Successful

Launch date: Dec. 25, 1972, 11:05 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/2

Location: Plesetsk Cosmodrome, Russian Federation

...

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