SL-14 R/B

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite SL-14 R/B at a glance.

Uptime

12612

Days in orbit

Revolutions

≈ 14.8

Per day

Orbit

LEO

Low Earth Orbit

Inclination

82.5

Latest

Satellite identification and parameters

Extended collection of information and parameters for SL-14 R/B.

Object identification

Identified? True

Debris? False

Object name: SL-14 R/B

International designator: 1991-039B

Object number (NORAD): 21398

Object ID (CCSDS): 21398

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 97.182 minutes

Inclination: 82.5222 deg

SMA: 7001.944 km

Apoapsis: 639.369 km

Periapsis: 608.249 km

RAAN: 216.7802 deg

Eccentricy: 0.00222228

Argument of periapsis: 88.9184 deg

Mean anomaly: 271.4576 deg

Mean motion: 14.81749647 rev/day

Mean motion (dot): 0.00000562 rev/day²

B* drag term: 0.000068019881 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, 4:43 p.m. UTC

TLE line 0: 0 SL-14 R/B

TLE line 1: 1 21398U 91039B 25347.69653045 .00000562 00000-0 68020-4 0 9997

TLE line 2: 2 21398 82.5222 216.7802 0022223 88.9184 271.4576 14.81749647841669

Live tracking on map

Real-time ground track for satellite SL-14 R/B.

In-orbit conjunctions

A list of the most updated potential collisions computed for object SL-14 R/B.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
CZ-4C DEB	SSO	2025-12-09 17:07:35	0.001139338	38.0 (m)	DEBRIS
CZ-6A DEB	SSO	2025-01-01 23:34:46	0.0001388743	498.0 (m)	DEBRIS
NOAA 17 DEB	SSO	2024-12-23 11:00:33	0.000172046	23.0 (m)	DEBRIS
IRIDIUM 33 DEB	LEO	2024-12-07 10:40:58	0.0001004622	660.0 (m)	DEBRIS
CZ-4B DEB	SSO	2024-11-12 13:15:48	0.0002535088	586.0 (m)	DEBRIS

Associated space launch

Ocean observation satellite

SL-14 R/B was lifted into orbit during the mission ‘Tsiklon-3 | Okean-O1 6’, on board a Tsiklon-3 space rocket.

The launch took place on June 4, 1991, 8:10 a.m. from 32/2.

For more information about the launch, click the button.

Tsiklon-3 | Okean-O1 6

Agency: N/A

Status: Launch Successful

Launch date: June 4, 1991, 8:10 a.m. UTC

Rocket: Tsiklon-3

Launch pad: 32/2

Location: Plesetsk Cosmodrome, Russian Federation

...

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Latest news about this satellite

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