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

7804

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: 2004-021B

Object number (NORAD): 28353

Object ID (CCSDS): 28353

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.797 minutes

Inclination: 71.0002 deg

SMA: 7221.898 km

Apoapsis: 849.182 km

Periapsis: 838.344 km

RAAN: 163.9859 deg

Eccentricy: 0.0007504

Argument of periapsis: 257.8582 deg

Mean anomaly: 102.17 deg

Mean motion: 14.14574193 rev/day

Mean motion (dot): -0.00000166 rev/day²

B* drag term: -0.000061638 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 22, 2025, 12:16 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 21, 2025, 6:55 p.m. UTC

TLE line 0: 0 SL-16 R/B

TLE line 1: 1 28353U 04021B 25294.78841517 -.00000166 00000-0 -61638-4 0 9994

TLE line 2: 2 28353 71.0002 163.9859 0007504 257.8582 102.1700 14.14574193103191

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
CZ-6A DEB	SSO	2025-07-17 04:02:12	0.0001046718	377.0 (m)	DEBRIS
YAOGAN 2 DEB	SSO	2025-02-20 08:42:51	0.001054412	259.0 (m)	DEBRIS
CZ-6A DEB	LEO	2024-11-17 16:51:11	0.0001173787	351.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-09-27 16:21:19	0.0002768156	661.0 (m)	DEBRIS

Associated space launch

Second generation ELING satellite

SL-16 R/B was lifted into orbit during the mission ‘Zenit-2 | Tselina-2 22’, on board a Zenit-2 space rocket.

The launch took place on June 10, 2004, 1:28 a.m. from 45/1.

For more information about the launch, click the button.

Zenit-2 | Tselina-2 22

Agency: N/A

Status: Launch Successful

Launch date: June 10, 2004, 1:28 a.m. UTC

Rocket: Zenit-2

Launch pad: 45/1

Location: Baikonur Cosmodrome, Republic of Kazakhstan

...

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