Key statistics
Satellite OPS 2644 at a glance.
Uptime
20673
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: 113.958 minutes
Inclination: 80.3944 deg
SMA: 7786.159 km
Apoapsis: 1426.702 km
Periapsis: 1389.347 km
RAAN: 40.6248 deg
Eccentricy: 0.00239879
Argument of periapsis: 321.8999 deg
Mean anomaly: 152.0153 deg
Mean motion: 12.63623945 rev/day
Mean motion (dot): 0.00000043 rev/day2
B* drag term: 0.00020252697 1/REarth
Two-line elements (TLE)
Creation date: Sept. 11, 2025, 10:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 11, 2025, 5:04 a.m. UTC
TLE line 0: 0 OPS 2644
TLE line 1: 1 03673U 69010B 25254.21154122 .00000043 00000-0 20253-3 0 9993
TLE line 2: 2 03673 80.3944 40.6248 0023988 321.8999 152.0153 12.63623945608220
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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