Key statistics
Satellite OPS 2644 at a glance.
Uptime
20620
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: 113.959 minutes
Inclination: 80.3929 deg
SMA: 7786.192 km
Apoapsis: 1427.732 km
Periapsis: 1388.382 km
RAAN: 84.2711 deg
Eccentricy: 0.0025269
Argument of periapsis: 73.2209 deg
Mean anomaly: 100.4896 deg
Mean motion: 12.63616031 rev/day
Mean motion (dot): 0.00000044 rev/day2
B* drag term: 0.00020382 1/REarth
Two-line elements (TLE)
Creation date: July 20, 2025, 5:14 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 20, 2025, 9:57 a.m. UTC
TLE line 0: 0 OPS 2644
TLE line 1: 1 03673U 69010B 25201.41508491 .00000044 00000-0 20382-3 0 9993
TLE line 2: 2 03673 80.3929 84.2711 0025269 73.2209 100.4896 12.63616031601556
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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