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

15052

Days in orbit

Revolutions

≈ 14.2

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: 1984-106F

Object number (NORAD): 15338

Object ID (CCSDS): 15338

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 101.464 minutes

Inclination: 66.5721 deg

SMA: 7206.099 km

Apoapsis: 831.633 km

Periapsis: 824.295 km

RAAN: 27.0809 deg

Eccentricy: 0.00050919

Argument of periapsis: 77.9113 deg

Mean anomaly: 282.2549 deg

Mean motion: 14.19228835 rev/day

Mean motion (dot): 0.0000005 rev/day²

B* drag term: 0.000063908436 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 14, 2025, 3:07 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 13, 2025, 11:24 a.m. UTC

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

TLE line 1: 1 15338U 84106F 25347.47509947 .00000050 00000-0 63908-4 0 9990

TLE line 2: 2 15338 66.5721 27.0809 0005092 77.9113 282.2549 14.19228835131874

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	2025-09-18 06:26:17	0.000195375	598.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-08-15 02:03:39	0.001090117	94.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-01-01 22:20:54	0.0001601714	478.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-12-06 00:42:13	0.0001262796	28.0 (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 1’, on board a Proton space rocket.

The launch took place on Sept. 28, 1984, 2 p.m. from 200/39 (200L).

For more information about the launch, click the button.

Proton | Tselina-2 1

Agency: N/A

Status: Launch Successful

Launch date: Sept. 28, 1984, 2 p.m. UTC

Rocket: Proton

Launch pad: 200/39 (200L)

Location: Baikonur Cosmodrome, Republic of Kazakhstan

...

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