THOR BURNER 2 R/B

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite THOR BURNER 2 R/B at a glance.

Uptime

19784

Days in orbit

Revolutions

≈ 14.2

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

99.1

Latest

Satellite identification and parameters

Extended collection of information and parameters for THOR BURNER 2 R/B.

Object identification

Identified? True

Debris? False

Object name: THOR BURNER 2 R/B

International designator: 1971-087B

Object number (NORAD): 5556

Object ID (CCSDS): 5556

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.126 minutes

Inclination: 99.0798 deg

SMA: 7190.114 km

Apoapsis: 856.327 km

Periapsis: 767.631 km

RAAN: 303.0484 deg

Eccentricy: 0.0061679

Argument of periapsis: 338.3077 deg

Mean anomaly: 21.549 deg

Mean motion: 14.23964212 rev/day

Mean motion (dot): 0.00000347 rev/day²

B* drag term: 0.00016864 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 12, 2025, 7:06 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 11, 2025, 8:46 p.m. UTC

TLE line 0: 0 THOR BURNER 2 R/B

TLE line 1: 1 5556U 71087B 25345.86561462 .00000347 00000-0 16864-3 0 9993

TLE line 2: 2 5556 99.0798 303.0484 0061679 338.3077 21.5490 14.23964212807872

Live tracking on map

Real-time ground track for satellite THOR BURNER 2 R/B.

In-orbit conjunctions

A list of the most updated potential collisions computed for object THOR BURNER 2 R/B.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
PEGASUS DEB	LEO	2025-07-26 00:22:23	0.0006447998	135.0 (m)	DEBRIS
GEOS 3	SSO	2025-04-02 12:31:55	0.0199573	45.0 (m)	PAYLOAD
COSMOS 1275 DEB	LEO	2025-02-18 15:49:57	0.0001420357	617.0 (m)	DEBRIS
SKIPPER	SSO	2024-11-25 12:24:57	0.0004711558	149.0 (m)	PAYLOAD
COSMOS 2251 DEB	LEO	2024-09-21 14:11:07	0.003297946	48.0 (m)	DEBRIS

Associated space launch

Military meteorological satellite

THOR BURNER 2 R/B was lifted into orbit during the mission ‘Thor Burner 2A | DSAP-5B F1’, on board a Thor Burner 2A space rocket.

The launch took place on Oct. 14, 1971, 7:51 a.m. from Space Launch Complex 10W.

For more information about the launch, click the button.

Thor Burner 2A | DSAP-5B F1

Agency: N/A

Status: Launch Successful

Launch date: Oct. 14, 1971, 7:51 a.m. UTC

Rocket: Thor Burner 2A

Launch pad: Space Launch Complex 10W

Location: Vandenberg SFB, CA, USA

...

Go to the launch

Latest news about this satellite

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