Key statistics
Satellite THOR AGENA B R/B at a glance.
Uptime
21763
Days in orbit
Revolutions
≈ 13.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
100.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for THOR AGENA B R/B.
Object identification
Identified? True
Debris? False
Object name: THOR AGENA B R/B
International designator: 1966-040B
Object number (NORAD): 2174
Object ID (CCSDS): 2174
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 107.761 minutes
Inclination: 100.3201 deg
SMA: 7501.268 km
Apoapsis: 1165.573 km
Periapsis: 1080.693 km
RAAN: 267.1554 deg
Eccentricy: 0.00565768
Argument of periapsis: 121.2324 deg
Mean anomaly: 300.6397 deg
Mean motion: 13.36289994 rev/day
Mean motion (dot): 0.00000021 rev/day2
B* drag term: 0.00012856157 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 3:58 p.m. UTC
TLE line 0: 0 THOR AGENA B R/B
TLE line 1: 1 02174U 66040B 25347.66558941 .00000021 00000-0 12856-3 0 9993
TLE line 2: 2 02174 100.3201 267.1554 0056577 121.2324 300.6397 13.36289994904441
Live tracking on map
Real-time ground track for satellite THOR AGENA B R/B.
Associated space launch
Nimbus 2, the second in a series of second-generation meteorological research-and-development satellites, added an additional medium-resolution infrared radiometer (MRIR) compared to Nimbus 1.
THOR AGENA B R/B was lifted into orbit during the mission ‘Thor SLV-2A Agena B | Nimbus 2’, on board a Thor SLV-2A Agena B space rocket.
The launch took place on May 15, 1966, 7:55 a.m. from Space Launch Complex 2E.
For more information about the launch, click the button.
Thor SLV-2A Agena B | Nimbus 2
Agency: N/A
Status: Launch Successful
Launch date: May 15, 1966, 7:55 a.m. UTC
Rocket: Thor SLV-2A Agena B
Launch pad: Space Launch Complex 2E
Location: Vandenberg SFB, CA, USA
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