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

19721

Days in orbit

Revolutions

≈ 15.0

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: 1971-114C

Object number (NORAD): 5778

Object ID (CCSDS): 5778

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 96.261 minutes

Inclination: 74.0049 deg

SMA: 6957.634 km

Apoapsis: 581.546 km

Periapsis: 577.453 km

RAAN: 1.8702 deg

Eccentricy: 0.00029413

Argument of periapsis: 141.0737 deg

Mean anomaly: 219.066 deg

Mean motion: 14.95926813 rev/day

Mean motion (dot): 0.00013146 rev/day²

B* drag term: 0.0011750758 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 13, 2025, 5:47 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 13, 2025, 1:46 a.m. UTC

TLE line 0: 0 SL-8 DEB

TLE line 1: 1 05778U 71114C 25347.07406389 .00013146 00000-0 11751-2 0 9991

TLE line 2: 2 05778 74.0049 1.8702 0002941 141.0737 219.0660 14.95926813871558

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
LANDSAT 5	SSO	2025-06-09 13:18:44	0.0136377	71.0 (m)	PAYLOAD
OBJECT B	SSO	2025-05-29 10:57:25	0.0001690711	262.0 (m)	UNKNOWN

Associated space launch

The DS-P1-Yu series of satellites was used to calibrate space surveillance and early warning radars.

SL-8 DEB was lifted into orbit during the mission ‘Kosmos 11K63 | DS-P1-Yu 49’, on board a Kosmos 11K63 space rocket.

The launch took place on Dec. 17, 1971, 10:39 a.m. from 133/3 (133L).

For more information about the launch, click the button.

Kosmos 11K63 | DS-P1-Yu 49

Agency: N/A

Status: Launch Successful

Launch date: Dec. 17, 1971, 10:39 a.m. UTC

Rocket: Kosmos 11K63

Launch pad: 133/3 (133L)

Location: Plesetsk Cosmodrome, Russian Federation

...

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