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

17089

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: 1979-021B

Object number (NORAD): 11289

Object ID (CCSDS): 11289

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.977 minutes

Inclination: 81.2472 deg

SMA: 7230.412 km

Apoapsis: 907.506 km

Periapsis: 797.047 km

RAAN: 19.0857 deg

Eccentricy: 0.0076385

Argument of periapsis: 75.4442 deg

Mean anomaly: 285.5187 deg

Mean motion: 14.12076422 rev/day

Mean motion (dot): 0.00000296 rev/day2

B* drag term: 0.00014998232 1/REarth

Two-line elements (TLE)

Creation date: Dec. 12, 2025, 10:14 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 12, 2025, 4:47 a.m. UTC

TLE line 0: 0 SL-3 R/B

TLE line 1: 1 11289U 79021B 25346.19991328 .00000296 00000-0 14998-3 0 9993

TLE line 2: 2 11289 81.2472 19.0857 0076385 75.4442 285.5187 14.12076422407963

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
CZ-6A DEB LEO 2025-11-08 15:08:34 0.0001051013 562.0 (m) DEBRIS
FENGYUN 1C DEB SSO 2025-10-02 19:42:17 0.0002449143 107.0 (m) DEBRIS
CZ-6A DEB LEO 2025-10-01 01:06:18 0.0003099818 110.0 (m) DEBRIS
CZ-6A DEB SSO 2024-10-29 15:20:47 0.0003594602 27.0 (m) DEBRIS
COSMOS 1275 DEB LEO 2024-09-19 04:07:48 0.001319187 43.0 (m) DEBRIS

Associated space launch

Second generation soviet meteorological satellite

SL-3 R/B was lifted into orbit during the mission ‘Vostok 8A92M | Meteor-2 4’, on board a Vostok 8A92M space rocket.

The launch took place on March 1, 1979, 6:45 p.m. from 43/4 (43R).

For more information about the launch, click the button.

Launch to space Vostok 8A92M | Meteor-2 4
Vostok 8A92M | Meteor-2 4

Agency: N/A

Status: Launch Successful

Launch date: March 1, 1979, 6:45 p.m. UTC

Rocket: Vostok 8A92M

Launch pad: 43/4 (43R)

Location: Plesetsk Cosmodrome, Russian Federation

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