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

12835

Days in orbit

Revolutions

≈ 2.1

Per day

Orbit

MEO

Medium Earth Orbit

Inclination

64.9

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: 1990-045E

Object number (NORAD): 20623

Object ID (CCSDS): 20623

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 674.729 minutes

Inclination: 64.9015 deg

SMA: 25482.75 km

Apoapsis: 19139.572 km

Periapsis: 19069.658 km

RAAN: 318.9955 deg

Eccentricy: 0.0013718

Argument of periapsis: 344.3328 deg

Mean anomaly: 346.9246 deg

Mean motion: 2.13419121 rev/day

Mean motion (dot): -0.00000069 rev/day2

B* drag term: 0.0 1/REarth

Two-line elements (TLE)

Creation date: July 8, 2025, 2:27 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 7, 2025, 11:07 p.m. UTC

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

TLE line 1: 1 20623U 90045E 25188.96339181 -.00000069 00000-0 00000-0 0 9991

TLE line 2: 2 20623 64.9015 318.9955 0013718 344.3328 346.9246 2.13419121273984

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
COSMOS 2318 (GLONASS) MEO 2024-06-06 04:56:22 TBA 3914.0 (m) PAYLOAD

Associated space launch

GLONASS navigation satellites

SL-12 R/B(2) was lifted into orbit during the mission ‘Proton | Uragan 36 to 38’, on board a Proton space rocket.

The launch took place on May 19, 1990, 8:32 a.m. from 200/40.

For more information about the launch, click the button.

Launch to space Proton | Uragan 36 to 38
Proton | Uragan 36 to 38

Agency: N/A

Status: Launch Successful

Launch date: May 19, 1990, 8:32 a.m. UTC

Rocket: Proton

Launch pad: 200/40

Location: Baikonur Cosmodrome, Republic of Kazakhstan

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