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

16840

Days in orbit

Revolutions

≈ 13.8

Per day

Orbit

LEO

Low Earth Orbit

Inclination

82.9

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: 1979-046B

Object number (NORAD): 11379

Object ID (CCSDS): 11379

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 104.52 minutes

Inclination: 82.9445 deg

SMA: 7350.11 km

Apoapsis: 986.775 km

Periapsis: 957.175 km

RAAN: 279.2988 deg

Eccentricy: 0.0020136

Argument of periapsis: 238.7046 deg

Mean anomaly: 233.7921 deg

Mean motion: 13.77723343 rev/day

Mean motion (dot): 0.00000027 rev/day2

B* drag term: 0.000011371 1/REarth

Two-line elements (TLE)

Creation date: July 8, 2025, 2:27 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 7, 2025, 6:34 p.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 11379U 79046B 25188.77375731 .00000027 00000-0 11371-4 0 9997

TLE line 2: 2 11379 82.9445 279.2988 0020136 238.7046 233.7921 13.77723343278679

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
COSMOS 1745 LEO 2024-11-25 23:23:28 0.0006149217 288.0 (m) PAYLOAD
THORAD AGENA D DEB SSO 2024-11-15 12:31:13 0.0003212688 200.0 (m) DEBRIS
CZ-6A DEB SSO 2024-11-01 02:27:31 0.000450467 200.0 (m) DEBRIS
FENGYUN 1C DEB SSO 2024-10-17 18:29:12 0.002874395 52.0 (m) DEBRIS

Associated space launch

Optical film-return reconnaissance satellite

SL-8 R/B was lifted into orbit during the mission ‘Soyuz U | Zenit-6U 7’, on board a Soyuz U space rocket.

The launch took place on May 31, 1979, 4:30 p.m. from 43/3 (43L).

For more information about the launch, click the button.

Launch to space Soyuz U | Zenit-6U 7
Soyuz U | Zenit-6U 7

Agency: N/A

Status: Launch Successful

Launch date: May 31, 1979, 4:30 p.m. UTC

Rocket: Soyuz U

Launch pad: 43/3 (43L)

Location: Plesetsk Cosmodrome, Russian Federation

...

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