SL-12 R/B(2)

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite SL-12 R/B(2) at a glance.

Uptime

15051

Days in orbit

Revolutions

≈ 14.2

Per day

Orbit

LEO

Low Earth Orbit

Inclination

71.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for SL-12 R/B(2).

Object identification

Identified? True

Debris? False

Object name: SL-12 R/B(2)

International designator: 1984-106B

Object number (NORAD): 15334

Object ID (CCSDS): 15334

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.723 minutes

Inclination: 71.0026 deg

SMA: 7218.365 km

Apoapsis: 844.952 km

Periapsis: 835.508 km

RAAN: 12.353 deg

Eccentricy: 0.00065416

Argument of periapsis: 273.2019 deg

Mean anomaly: 86.8355 deg

Mean motion: 14.15612739 rev/day

Mean motion (dot): -0.00000086 rev/day²

B* drag term: -0.000019634135 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, 6:49 a.m. UTC

TLE line 0: 0 SL-12 R/B(2)

TLE line 1: 1 15334U 84106B 25346.28427091 -.00000086 00000-0 -19634-4 0 9991

TLE line 2: 2 15334 71.0026 12.3530 0006542 273.2019 86.8355 14.15612739 7460

Live tracking on map

Real-time ground track for satellite SL-12 R/B(2).

In-orbit conjunctions

A list of the most updated potential collisions computed for object SL-12 R/B(2).

Target	Orbit	TCA	Probability of collision	Miss distance	Type
FENGYUN 1C DEB	SSO	2025-02-21 06:22:21	0.0001561807	232.0 (m)	DEBRIS
THORAD AGENA D DEB	SSO	2025-02-09 14:47:45	0.01716556	14.0 (m)	DEBRIS
COSMOS 886 DEB	MEO	2025-01-18 18:58:59	0.0004037366	75.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2024-11-14 08:00:51	0.0001443953	933.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-08-21 10:11:01	0.0002266036	112.0 (m)	DEBRIS

Associated space launch

Second generation ELING satellite

SL-12 R/B(2) 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

...

Go to the launch

Latest news about this satellite

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