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

21023

Days in orbit

Revolutions

≈ 14.2

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

98.6

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: 1968-042B

Object number (NORAD): 3271

Object ID (CCSDS): 3271

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.583 minutes

Inclination: 98.557 deg

SMA: 7211.759 km

Apoapsis: 870.931 km

Periapsis: 796.318 km

RAAN: 162.0573 deg

Eccentricy: 0.005173

Argument of periapsis: 10.6052 deg

Mean anomaly: 349.6202 deg

Mean motion: 14.17558342 rev/day

Mean motion (dot): 0.00000221 rev/day²

B* drag term: 0.00012812341 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, 2:22 a.m. UTC

TLE line 0: 0 THOR BURNER 2 R/B

TLE line 1: 1 03271U 68042B 25346.09862205 .00000221 00000-0 12812-3 0 9997

TLE line 2: 2 03271 98.5570 162.0573 0051730 10.6052 349.6202 14.17558342970319

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
DMSP 5D-2 F13 DEB	SSO	2025-11-07 11:12:33	0.0001466241	225.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-10-30 17:43:14	0.000943758	61.0 (m)	DEBRIS
COSMOS 1275 DEB	LEO	2025-07-26 21:46:03	0.0003092598	62.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-05-14 09:40:11	0.0002139389	362.0 (m)	DEBRIS
CZ-6A DEB	SSO	2025-02-06 04:02:42	0.000246549	281.0 (m)	DEBRIS

Associated space launch

DSAP-4B (Defense Satellite Application Program Block 4B) was the sixth version of the military meteorological satellites of the Defense Meteorological Satellite Program.

THOR BURNER 2 R/B was lifted into orbit during the mission ‘Thor Burner 2 | DSAP-4B F1’, on board a Thor Burner 2 space rocket.

The launch took place on May 23, 1968, 4:38 a.m. from Space Launch Complex 10W.

For more information about the launch, click the button.

Thor Burner 2 | DSAP-4B F1

Agency: N/A

Status: Launch Successful

Launch date: May 23, 1968, 4:38 a.m. UTC

Rocket: Thor Burner 2

Launch pad: Space Launch Complex 10W

Location: Vandenberg SFB, CA, USA

...

Go to the launch

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