Key statistics
Satellite THOR BURNER 2 R/B at a glance.
Uptime
20970
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: 101.585 minutes
Inclination: 98.5585 deg
SMA: 7211.854 km
Apoapsis: 871.19 km
Periapsis: 796.249 km
RAAN: 111.798 deg
Eccentricy: 0.00519568
Argument of periapsis: 158.6668 deg
Mean anomaly: 201.669 deg
Mean motion: 14.17530291 rev/day
Mean motion (dot): 0.0000027 rev/day2
B* drag term: 0.00015150955 1/REarth
Two-line elements (TLE)
Creation date: Oct. 21, 2025, 3:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 20, 2025, 10:28 p.m. UTC
TLE line 0: 0 THOR BURNER 2 R/B
TLE line 1: 1 03271U 68042B 25293.93679121 .00000270 00000-0 15151-3 0 9997
TLE line 2: 2 03271 98.5585 111.7980 0051957 158.6668 201.6690 14.17530291962924
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.
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
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