SL-3 R/B

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite SL-3 R/B at a glance.

Uptime

17052

Days in orbit

Revolutions

≈ 14.1

Per day

Orbit

LEO

Low Earth Orbit

Inclination

81.2

Latest

Satellite identification and parameters

Extended collection of information and parameters for SL-3 R/B.

Object identification

Identified? True

Debris? False

Object name: SL-3 R/B

International designator: 1978-121B

Object number (NORAD): 11166

Object ID (CCSDS): 11166

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.824 minutes

Inclination: 81.2396 deg

SMA: 7223.15 km

Apoapsis: 892.974 km

Periapsis: 797.057 km

RAAN: 126.5488 deg

Eccentricy: 0.00663956

Argument of periapsis: 13.786 deg

Mean anomaly: 346.5106 deg

Mean motion: 14.14206344 rev/day

Mean motion (dot): 0.00000083 rev/day²

B* drag term: 0.000036323582 1/R_Earth

Two-line elements (TLE)

Creation date: Aug. 30, 2025, 3:38 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Aug. 29, 2025, 8:02 p.m. UTC

TLE line 0: 0 SL-3 R/B

TLE line 1: 1 11166U 78121B 25241.83521636 .00000083 00000-0 36324-4 0 9995

TLE line 2: 2 11166 81.2396 126.5488 0066396 13.7860 346.5106 14.14206344407033

Live tracking on map

Real-time ground track for satellite SL-3 R/B.

In-orbit conjunctions

A list of the most updated potential collisions computed for object SL-3 R/B.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
FENGYUN 1C DEB	SSO	2025-05-30 16:37:58	0.001518807	80.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-05-30 04:42:48	0.0003383634	97.0 (m)	DEBRIS
CZ-6A DEB	SSO	2025-03-30 04:06:58	0.0001501443	408.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2025-03-27 06:30:51	0.0001074645	992.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-11-14 00:09:37	0.001057851	980.0 (m)	DEBRIS

Associated space launch

Astrophysics (not confirmed) satellite

SL-3 R/B was lifted into orbit during the mission ‘Vostok 8A92M | Astrofizika’, on board a Vostok 8A92M space rocket.

The launch took place on Dec. 23, 1978, 8:39 a.m. from 43/3 (43L).

For more information about the launch, click the button.

Vostok 8A92M | Astrofizika

Agency: N/A

Status: Launch Successful

Launch date: Dec. 23, 1978, 8:39 a.m. UTC

Rocket: Vostok 8A92M

Launch pad: 43/3 (43L)

Location: Plesetsk Cosmodrome, Russian Federation

...

Go to the launch

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