SL-8 DEB *

Satellite information

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Satellite Type and Status

DEBRISIN ORBIT

Key statistics

Satellite SL-8 DEB * at a glance.

Uptime

15845

Days in orbit

Revolutions

≈ 14.6

Per day

Orbit

LEO

Low Earth Orbit

Inclination

74.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for SL-8 DEB *.

Object identification

Identified? True

Debris? True

Object name: SL-8 DEB *

International designator: 1982-051E

Object number (NORAD): 18509

Object ID (CCSDS): 18509

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 98.534 minutes

Inclination: 74.0011 deg

SMA: 7066.693 km

Apoapsis: 693.658 km

Periapsis: 683.458 km

RAAN: 94.4479 deg

Eccentricy: 0.00072171

Argument of periapsis: 179.2616 deg

Mean anomaly: 301.5901 deg

Mean motion: 14.61431436 rev/day

Mean motion (dot): 0.00004618 rev/day²

B* drag term: 0.00093767456 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, 9:43 p.m. UTC

TLE line 0: 0 SL-8 DEB *

TLE line 1: 1 18509U 82051E 25290.90538860 .00004618 00000-0 93767-3 0 9990

TLE line 2: 2 18509 74.0011 94.4479 0007217 179.2616 301.5901 14.61431436 42259

Live tracking on map

Real-time ground track for satellite SL-8 DEB *.

In-orbit conjunctions

A list of the most updated potential collisions computed for object SL-8 DEB *.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
DELTA 1 DEB	SSO	2025-07-02 18:40:53	0.0001513901	267.0 (m)	DEBRIS
DELTA 1 DEB	SSO	2025-01-04 07:46:04	0.0001541969	32.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-11-15 19:48:53	0.002189701	125.0 (m)	DEBRIS
COSMOS 2251 DEB	LEO	2024-07-21 02:43:25	0.0001580594	25.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-06-12 17:33:51	0.0001274435	241.0 (m)	DEBRIS

Associated space launch

Military communications satellite

SL-8 DEB * was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 28’, on board a Kosmos-3M space rocket.

The launch took place on June 1, 1982, 4:37 a.m. from 132/1 (132L).

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 28

Agency: N/A

Status: Launch Successful

Launch date: June 1, 1982, 4:37 a.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/1 (132L)

Location: Plesetsk Cosmodrome, Russian Federation

...

Go to the launch

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