Key statistics
Satellite OPS 2644 at a glance.
Uptime
20725
Days in orbit
Revolutions
≈ 12.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
80.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for OPS 2644.
Object identification
Identified? True
Debris? False
Object name: OPS 2644
International designator: 1969-010B
Object number (NORAD): 3673
Object ID (CCSDS): 3673
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 113.957 minutes
Inclination: 80.397 deg
SMA: 7786.124 km
Apoapsis: 1427.324 km
Periapsis: 1388.655 km
RAAN: 357.4695 deg
Eccentricy: 0.0024832
Argument of periapsis: 207.9393 deg
Mean anomaly: 163.1756 deg
Mean motion: 12.63632403 rev/day
Mean motion (dot): 0.00000077 rev/day2
B* drag term: 0.00038894 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, 10:39 a.m. UTC
TLE line 0: 0 OPS 2644
TLE line 1: 1 3673U 69010B 25306.44399638 .00000077 00000-0 38894-3 0 9996
TLE line 2: 2 3673 80.3970 357.4695 0024832 207.9393 163.1756 12.63632403614829
Live tracking on map
Real-time ground track for satellite OPS 2644.
In-orbit conjunctions
There are no conjunctions computed for OPS 2644, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
The KH-4B (Keyhole-4B) was sixth optical reconnaissance satellite version in the Corona-program.
OPS 2644 was lifted into orbit during the mission ‘Thorad SLV-2G Agena D | KH-4B 6’, on board a Thorad SLV-2G Agena D space rocket.
The launch took place on Feb. 5, 1969, 9:59 p.m. from Space Launch Complex 3W.
For more information about the launch, click the button.
Thorad SLV-2G Agena D | KH-4B 6
Agency: N/A
Status: Launch Successful
Launch date: Feb. 5, 1969, 9:59 p.m. UTC
Rocket: Thorad SLV-2G Agena D
Launch pad: Space Launch Complex 3W
Location: Vandenberg SFB, CA, USA
...
Latest news about this satellite
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