Key statistics
Satellite SECOR 1B at a glance.
Uptime
22618
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
LEO
Low Earth Orbit
Inclination
69.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for SECOR 1B.
Object identification
Identified? True
Debris? False
Object name: SECOR 1B
International designator: 1964-001C
Object number (NORAD): 729
Object ID (CCSDS): 729
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 103.211 minutes
Inclination: 69.9012 deg
SMA: 7288.596 km
Apoapsis: 922.348 km
Periapsis: 898.574 km
RAAN: 333.767 deg
Eccentricy: 0.00163096
Argument of periapsis: 308.9602 deg
Mean anomaly: 51.0049 deg
Mean motion: 13.95201506 rev/day
Mean motion (dot): 0.0000005 rev/day2
B* drag term: 0.000076876699 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 6:41 a.m. UTC
TLE line 0: 0 SECOR 1B
TLE line 1: 1 00729U 64001C 25346.27894673 .00000050 00000-0 76877-4 0 9999
TLE line 2: 2 00729 69.9012 333.7670 0016310 308.9602 51.0049 13.95201506150631
Live tracking on map
Real-time ground track for satellite SECOR 1B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SECOR 1B.
Associated space launch
Poppy was the follow-on ELINT system, which succeeded the Grab ELINT satellite system.
SECOR 1B was lifted into orbit during the mission ‘Thor SLV-2A Agena D | Poppy 5A, 5B & 5C’, on board a Thor SLV-2A Agena D space rocket.
The launch took place on Jan. 11, 1964, 8:07 p.m. from Space Launch Complex 1E.
For more information about the launch, click the button.
Thor SLV-2A Agena D | Poppy 5A, 5B & 5C
Agency: N/A
Status: Launch Successful
Launch date: Jan. 11, 1964, 8:07 p.m. UTC
Rocket: Thor SLV-2A Agena D
Launch pad: Space Launch Complex 1E
Location: Vandenberg SFB, CA, USA
...
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