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

18666

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: 1974-071B

Object number (NORAD): 7434

Object ID (CCSDS): 7434

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 100.134 minutes

Inclination: 74.0484 deg

SMA: 7142.986 km

Apoapsis: 780.16 km

Periapsis: 749.542 km

RAAN: 19.0846 deg

Eccentricy: 0.00214322

Argument of periapsis: 258.2272 deg

Mean anomaly: 101.6478 deg

Mean motion: 14.3808006 rev/day

Mean motion (dot): 0.00000417 rev/day²

B* drag term: 0.00014587 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 18, 2025, 2:17 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 17, 2025, 10:51 p.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 07434U 74071B 25290.95259234 .00000417 00000-0 14587-3 0 9994

TLE line 2: 2 07434 74.0484 19.0846 0021432 258.2272 101.6478 14.38080060673750

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	2025-09-16 22:40:47	0.00059681	619.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-05-18 22:20:49	0.0003638916	21.0 (m)	DEBRIS
SL-16 DEB	LEO	2025-05-04 09:24:26	0.0004761029	170.0 (m)	DEBRIS
COSMOS 1670 DEB	LEO	2025-03-02 19:54:29	0.0006205422	139.0 (m)	DEBRIS
COSMOS 1670 DEB	LEO	2025-03-02 18:14:20	0.0001600552	746.0 (m)	DEBRIS

Associated space launch

Military communications satellite

SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 9’, on board a Kosmos-3M space rocket.

The launch took place on Sept. 11, 1974, 5:40 p.m. from 132/2.

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 9

Agency: N/A

Status: Launch Successful

Launch date: Sept. 11, 1974, 5:40 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/2

Location: Plesetsk Cosmodrome, Russian Federation

...

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