Key statistics
Satellite SOLRAD 7B at a glance.
Uptime
22137
Days in orbit
Revolutions
≈ 13.9
Per day
Orbit
LEO
Low Earth Orbit
Inclination
70.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for SOLRAD 7B.
Object identification
Identified? True
Debris? False
Object name: SOLRAD 7B
International designator: 1965-016D
Object number (NORAD): 1291
Object ID (CCSDS): 1291
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 103.231 minutes
Inclination: 70.0812 deg
SMA: 7289.529 km
Apoapsis: 924.706 km
Periapsis: 898.081 km
RAAN: 33.5115 deg
Eccentricy: 0.00182631
Argument of periapsis: 78.6519 deg
Mean anomaly: 281.6638 deg
Mean motion: 13.94933808 rev/day
Mean motion (dot): 0.00000046 rev/day2
B* drag term: 0.000072574277 1/REarth
Two-line elements (TLE)
Creation date: Oct. 17, 2025, 2:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 16, 2025, 9:16 p.m. UTC
TLE line 0: 0 SOLRAD 7B
TLE line 1: 1 01291U 65016D 25289.88629983 .00000046 00000-0 72574-4 0 9999
TLE line 2: 2 01291 70.0812 33.5115 0018263 78.6519 281.6638 13.94933808 82773
Live tracking on map
Real-time ground track for satellite SOLRAD 7B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SOLRAD 7B.
Associated space launch
Poppy was the follow-on ELINT system, which succeeded the Grab ELINT satellite system.
SOLRAD 7B was lifted into orbit during the mission ‘Thor SLV-2 Agena D | Poppy 6A,B,C,D’, on board a Thor SLV-2 Agena D space rocket.
The launch took place on March 9, 1965, 6:29 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Thor SLV-2 Agena D | Poppy 6A,B,C,D
Agency: N/A
Status: Launch Successful
Launch date: March 9, 1965, 6:29 p.m. UTC
Rocket: Thor SLV-2 Agena D
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
...
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