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

15958

Days in orbit

Revolutions

≈ 14.4

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: 1981-084B

Object number (NORAD): 12792

Object ID (CCSDS): 12792

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 100.084 minutes

Inclination: 74.027 deg

SMA: 7140.62 km

Apoapsis: 771.188 km

Periapsis: 753.781 km

RAAN: 130.7434 deg

Eccentricy: 0.0012189

Argument of periapsis: 75.5423 deg

Mean anomaly: 284.7083 deg

Mean motion: 14.38794949 rev/day

Mean motion (dot): 0.00000437 rev/day²

B* drag term: 0.00015067 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, 9 a.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 12792U 81084B 25126.37561124 .00000437 00000-0 15067-3 0 9993

TLE line 2: 2 12792 74.0270 130.7434 0012189 75.5423 284.7083 14.38794949288673

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
NOAA 17 DEB	SSO	2025-03-08 17:01:45	0.0001117264	244.0 (m)	DEBRIS
THOR BURNER 2 R/B	SSO	2024-12-20 10:49:12	0.0005628832	142.0 (m)	ROCKET BODY
CZ-6A DEB	LEO	2024-10-12 05:44:58	0.0002329003	434.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-09-26 22:54:59	0.0003849894	713.0 (m)	DEBRIS
CZ-4B DEB	SSO	2024-06-19 03:30:33	0.0002309824	86.0 (m)	DEBRIS

Associated space launch

Military communications satellite

SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 25’, on board a Kosmos-3M space rocket.

The launch took place on Aug. 28, 1981, 4:18 p.m. from 132/1 (132L).

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 25

Agency: N/A

Status: Launch Successful

Launch date: Aug. 28, 1981, 4:18 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/1 (132L)

Location: Plesetsk Cosmodrome, Russian Federation

...

Go to the launch

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