Key statistics
Satellite RADIATION SAT (5E 1) at a glance.
Uptime
22628
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: 107.05 minutes
Inclination: 89.9808 deg
SMA: 7468.213 km
Apoapsis: 1121.528 km
Periapsis: 1058.628 km
RAAN: 333.8666 deg
Eccentricy: 0.00421122
Argument of periapsis: 78.3473 deg
Mean anomaly: 282.2397 deg
Mean motion: 13.45171642 rev/day
Mean motion (dot): 0.00000092 rev/day2
B* drag term: 0.00013908397 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 6:18 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 2:31 p.m. UTC
TLE line 0: 0 RADIATION SAT (5E 1)
TLE line 1: 1 00671U 63038C 25251.60527031 .00000092 00000-0 13908-3 0 9998
TLE line 2: 2 00671 89.9808 333.8666 0042112 78.3473 282.2397 13.45171642 37192
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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