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

14751

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: 1985-042F

Object number (NORAD): 15774

Object ID (CCSDS): 15774

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 101.036 minutes

Inclination: 66.5867 deg

SMA: 7185.859 km

Apoapsis: 821.236 km

Periapsis: 794.213 km

RAAN: 314.7353 deg

Eccentricy: 0.00188027

Argument of periapsis: 132.9126 deg

Mean anomaly: 39.0002 deg

Mean motion: 14.25229134 rev/day

Mean motion (dot): 0.00000234 rev/day²

B* drag term: 0.00013562127 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, 7:24 p.m. UTC

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

TLE line 1: 1 15774U 85042F 25290.80875757 .00000234 00000-0 13562-3 0 9997

TLE line 2: 2 15774 66.5867 314.7353 0018803 132.9126 39.0002 14.25229134 98547

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
FENGYUN 1C DEB	SSO	2025-06-19 05:07:28	0.0003598034	113.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-11-29 08:13:00	0.0001122548	442.0 (m)	DEBRIS
CZ-6A DEB	LEO	2024-09-30 22:30:45	0.0002118899	416.0 (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

...

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