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

14150

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-16 R/B.

Object identification

Identified? True

Debris? False

Object name: SL-16 R/B

International designator: 1987-027B

Object number (NORAD): 17590

Object ID (CCSDS): 17590

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.612 minutes

Inclination: 71.0028 deg

SMA: 7213.137 km

Apoapsis: 840.351 km

Periapsis: 829.653 km

RAAN: 100.627 deg

Eccentricy: 0.0007416

Argument of periapsis: 259.8708 deg

Mean anomaly: 100.158 deg

Mean motion: 14.17152128 rev/day

Mean motion (dot): 0.00000012 rev/day²

B* drag term: 0.000029616238 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, 7:24 a.m. UTC

TLE line 0: 0 SL-16 R/B

TLE line 1: 1 17590U 87027B 25346.30836029 .00000012 00000-0 29616-4 0 9998

TLE line 2: 2 17590 71.0028 100.6270 0007416 259.8708 100.1580 14.17152128 2969

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
DELTA 1 DEB	SSO	2025-02-15 20:35:32	0.0001747051	307.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-01-04 18:12:49	0.0001087576	718.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-08-19 06:01:33	0.0001805722	167.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2024-08-14 00:33:19	0.00015387	339.0 (m)	DEBRIS
THORAD AGENA D DEB	SSO	2024-06-30 17:02:09	0.0001692295	86.0 (m)	DEBRIS

Associated space launch

Dynamic simulator of the Tselina-2 ELINT satellite

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

The launch took place on March 18, 1987, 8:30 a.m. from 45/1.

For more information about the launch, click the button.

Zenit-2 | GVM Tselina-2

Agency: N/A

Status: Launch Successful

Launch date: March 18, 1987, 8:30 a.m. UTC

Rocket: Zenit-2

Launch pad: 45/1

Location: Baikonur Cosmodrome, Republic of Kazakhstan

...

Go to the launch

Latest news about this satellite

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