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

13529

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: 1988-053B

Object number (NORAD): 19257

Object ID (CCSDS): 19257

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 100.088 minutes

Inclination: 74.0456 deg

SMA: 7140.815 km

Apoapsis: 776.138 km

Periapsis: 749.223 km

RAAN: 208.0356 deg

Eccentricy: 0.0018846

Argument of periapsis: 89.6273 deg

Mean anomaly: 18.2984 deg

Mean motion: 14.38735848 rev/day

Mean motion (dot): 0.00000126 rev/day²

B* drag term: 0.00004944 1/R_Earth

Two-line elements (TLE)

Creation date: July 5, 2025, 5:45 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 5, 2025, 11:43 a.m. UTC

TLE line 0: 0 SL-8 R/B

TLE line 1: 1 19257U 88053B 25186.48887994 .00000126 00000-0 49440-4 0 9991

TLE line 2: 2 19257 74.0456 208.0356 0018846 89.6273 18.2984 14.38735848941049

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
CZ-6A DEB	SSO	2025-05-22 07:07:20	0.0003536689	322.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-04-04 09:26:26	0.0001127108	247.0 (m)	DEBRIS
CZ-6A DEB	LEO	2025-01-02 13:33:14	0.0001368345	632.0 (m)	DEBRIS
COSMOS 2251 DEB	LEO	2024-08-27 00:10:07	0.0001113722	786.0 (m)	DEBRIS
THOR ABLESTAR DEB	LEO	2024-08-10 06:23:36	0.0001038186	926.0 (m)	DEBRIS

Associated space launch

Military communications satellite

SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 45’, on board a Kosmos-3M space rocket.

The launch took place on June 21, 1988, 4:26 p.m. from 133/3 (133L).

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 45

Agency: N/A

Status: Launch Successful

Launch date: June 21, 1988, 4:26 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 133/3 (133L)

Location: Plesetsk Cosmodrome, Russian Federation

...

Go to the launch

Latest news about this satellite

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