SL-16 R/B

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite SL-16 R/B at a glance.

Uptime

12830

Days in orbit

Revolutions

≈ 14.1

Per day

Orbit

LEO

Low Earth Orbit

Inclination

71.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for SL-16 R/B.

Object identification

Identified? True

Debris? False

Object name: SL-16 R/B

International designator: 1990-046B

Object number (NORAD): 20625

Object ID (CCSDS): 20625

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.769 minutes

Inclination: 71.0003 deg

SMA: 7220.545 km

Apoapsis: 853.914 km

Periapsis: 830.906 km

RAAN: 94.1007 deg

Eccentricy: 0.0015932

Argument of periapsis: 312.1669 deg

Mean anomaly: 47.81 deg

Mean motion: 14.14971853 rev/day

Mean motion (dot): -0.0000007 rev/day²

B* drag term: -0.000011602 1/R_Earth

Two-line elements (TLE)

Creation date: July 6, 2025, 10:56 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 6, 2025, 9:32 p.m. UTC

TLE line 0: 0 SL-16 R/B

TLE line 1: 1 20625U 90046B 25187.89782518 -.00000070 00000-0 -11602-4 0 9998

TLE line 2: 2 20625 71.0003 94.1007 0015932 312.1669 47.8100 14.14971853813877

Live tracking on map

Real-time ground track for satellite SL-16 R/B.

In-orbit conjunctions

A list of the most updated potential collisions computed for object SL-16 R/B.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
FENGYUN 1C DEB	SSO	2025-06-09 19:53:52	0.0001566715	129.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-11-09 19:49:00	0.0004614529	249.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-08-04 13:55:39	0.0002712284	254.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2024-06-28 16:04:40	0.000434058	260.0 (m)	DEBRIS

Associated space launch

Second generation ELING satellite

SL-16 R/B was lifted into orbit during the mission ‘Zenit-2 | Tselina-2 7’, on board a Zenit-2 space rocket.

The launch took place on May 22, 1990, 5:14 a.m. from 45/2.

For more information about the launch, click the button.

Zenit-2 | Tselina-2 7

Agency: N/A

Status: Launch Successful

Launch date: May 22, 1990, 5:14 a.m. UTC

Rocket: Zenit-2

Launch pad: 45/2

Location: Baikonur Cosmodrome, Republic of Kazakhstan

...

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