Key statistics
Satellite THOR AGENA D R/B at a glance.
Uptime
22299
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for THOR AGENA D R/B.
Object identification
Identified? True
Debris? False
Object name: THOR AGENA D R/B
International designator: 1964-031C
Object number (NORAD): 815
Object ID (CCSDS): 815
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.818 minutes
Inclination: 99.8082 deg
SMA: 7175.521 km
Apoapsis: 805.554 km
Periapsis: 789.218 km
RAAN: 90.4643 deg
Eccentricy: 0.0011383
Argument of periapsis: 189.0914 deg
Mean anomaly: 171.0059 deg
Mean motion: 14.28310316 rev/day
Mean motion (dot): 0.00000077 rev/day2
B* drag term: 0.00005247 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 1:56 p.m. UTC
TLE line 0: 0 THOR AGENA D R/B
TLE line 1: 1 00815U 64031C 25187.58071343 .00000077 00000-0 52470-4 0 9998
TLE line 2: 2 00815 99.8082 90.4643 0011383 189.0914 171.0059 14.28310316171669
Live tracking on map
Real-time ground track for satellite THOR AGENA D R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object THOR AGENA D R/B.
Associated space launch
The DSAP-1 (Defense Satellite Application Program Block 1) satellites series, also known as P-35, was the first series of military meteorologal satellites of the USA.
THOR AGENA D R/B was lifted into orbit during the mission ‘Thor SLV-2 Agena D | DSAP-1 F8 & F9’, on board a Thor SLV-2 Agena D space rocket.
The launch took place on June 18, 1964, 4:56 a.m. from Space Launch Complex 1W.
For more information about the launch, click the button.
Thor SLV-2 Agena D | DSAP-1 F8 & F9
Agency: N/A
Status: Launch Successful
Launch date: June 18, 1964, 4:56 a.m. UTC
Rocket: Thor SLV-2 Agena D
Launch pad: Space Launch Complex 1W
Location: Vandenberg SFB, CA, USA
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