Key statistics
Satellite RADIATION SAT (5E 1) at a glance.
Uptime
22682
Days in orbit
Revolutions
≈ 13.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
90.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for RADIATION SAT (5E 1).
Object identification
Identified? True
Debris? False
Object name: RADIATION SAT (5E 1)
International designator: 1963-038C
Object number (NORAD): 671
Object ID (CCSDS): 671
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 107.049 minutes
Inclination: 89.9718 deg
SMA: 7468.177 km
Apoapsis: 1118.558 km
Periapsis: 1061.527 km
RAAN: 333.7321 deg
Eccentricy: 0.0038183
Argument of periapsis: 280.9697 deg
Mean anomaly: 78.7156 deg
Mean motion: 13.45181292 rev/day
Mean motion (dot): 0.00000103 rev/day2
B* drag term: 0.00015832 1/REarth
Two-line elements (TLE)
Creation date: Nov. 2, 2025, 3:46 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 2, 2025, 8:26 a.m. UTC
TLE line 0: 0 RADIATION SAT (5E 1)
TLE line 1: 1 671U 63038C 25306.35150714 .00000103 00000-0 15832-3 0 9992
TLE line 2: 2 671 89.9718 333.7321 0038183 280.9697 78.7156 13.45181292 44552
Live tracking on map
Real-time ground track for satellite RADIATION SAT (5E 1).
In-orbit conjunctions
A list of the most updated potential collisions computed for object RADIATION SAT (5E 1).
Associated space launch
Transit navigation satellite equipped with nuclear power.
RADIATION SAT (5E 1) was lifted into orbit during the mission ‘Thor DM-21 Ablestar | Transit 5BN-1’, on board a Thor DM-21 Ablestar space rocket.
The launch took place on Sept. 28, 1963, 8:22 p.m. from Space Launch Complex 2E.
For more information about the launch, click the button.
Thor DM-21 Ablestar | Transit 5BN-1
Agency: N/A
Status: Launch Successful
Launch date: Sept. 28, 1963, 8:22 p.m. UTC
Rocket: Thor DM-21 Ablestar
Launch pad: Space Launch Complex 2E
Location: Vandenberg SFB, CA, USA
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