SL-12 R/B(AUX MOTOR)

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite SL-12 R/B(AUX MOTOR) at a glance.

Uptime

14808

Days in orbit

Revolutions

≈ 14.3

Per day

Orbit

LEO

Low Earth Orbit

Inclination

66.6

Latest

Satellite identification and parameters

Extended collection of information and parameters for SL-12 R/B(AUX MOTOR).

Object identification

Identified? True

Debris? False

Object name: SL-12 R/B(AUX MOTOR)

International designator: 1985-042E

Object number (NORAD): 15773

Object ID (CCSDS): 15773

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 100.836 minutes

Inclination: 66.5891 deg

SMA: 7176.351 km

Apoapsis: 822.038 km

Periapsis: 774.394 km

RAAN: 57.6744 deg

Eccentricy: 0.00331952

Argument of periapsis: 352.5541 deg

Mean anomaly: 66.8519 deg

Mean motion: 14.28062753 rev/day

Mean motion (dot): 0.00000245 rev/day²

B* drag term: 0.00013232634 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 12, 2025, 10:14 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 12, 2025, 6:45 a.m. UTC

TLE line 0: 0 SL-12 R/B(AUX MOTOR)

TLE line 1: 1 15773U 85042E 25346.28159126 .00000245 00000-0 13233-3 0 9992

TLE line 2: 2 15773 66.5891 57.6744 0033195 352.5541 66.8519 14.28062753109271

Live tracking on map

Real-time ground track for satellite SL-12 R/B(AUX MOTOR).

In-orbit conjunctions

A list of the most updated potential collisions computed for object SL-12 R/B(AUX MOTOR).

Target	Orbit	TCA	Probability of collision	Miss distance	Type
NOAA 16 DEB	SSO	2025-07-24 10:36:35	0.0002731652	687.0 (m)	DEBRIS
DELTA 1 DEB	SSO	2025-04-21 16:12:08	0.0001133279	108.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2025-04-20 00:47:58	0.0002279889	367.0 (m)	DEBRIS
DMSP 5D-2 F13 DEB	SSO	2025-04-18 04:05:53	0.0001577649	383.0 (m)	DEBRIS
DELTA 1 DEB	SSO	2024-08-12 05:53:37	0.0001523319	711.0 (m)	DEBRIS

Associated space launch

Second generation ELING satellite

SL-12 R/B(AUX MOTOR) was lifted into orbit during the mission ‘Proton | Tselina-2 2’, on board a Proton space rocket.

The launch took place on May 30, 1985, 2:59 p.m. from 200/40.

For more information about the launch, click the button.

Proton | Tselina-2 2

Agency: N/A

Status: Launch Successful

Launch date: May 30, 1985, 2:59 p.m. UTC

Rocket: Proton

Launch pad: 200/40

Location: Baikonur Cosmodrome, Republic of Kazakhstan

...

Go to the launch

Latest news about this satellite

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