Key statistics
Satellite OPS 6073 (DMSP 4A F2) at a glance.
Uptime
21494
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for OPS 6073 (DMSP 4A F2).
Object identification
Identified? True
Debris? False
Object name: OPS 6073 (DMSP 4A F2)
International designator: 1967-010A
Object number (NORAD): 2669
Object ID (CCSDS): 2669
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 100.83 minutes
Inclination: 99.0979 deg
SMA: 7176.088 km
Apoapsis: 832.789 km
Periapsis: 763.117 km
RAAN: 337.4758 deg
Eccentricy: 0.00485448
Argument of periapsis: 196.7985 deg
Mean anomaly: 163.1589 deg
Mean motion: 14.28141058 rev/day
Mean motion (dot): 0.0000024 rev/day2
B* drag term: 0.00011443634 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 2:02 p.m. UTC
TLE line 0: 0 OPS 6073 (DMSP 4A F2)
TLE line 1: 1 02669U 67010A 25347.58479179 .00000240 00000-0 11444-3 0 9991
TLE line 2: 2 02669 99.0979 337.4758 0048545 196.7985 163.1589 14.28141058 57847
Live tracking on map
Real-time ground track for satellite OPS 6073 (DMSP 4A F2).
In-orbit conjunctions
There are no conjunctions computed for OPS 6073 (DMSP 4A F2), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
DSAP-4A (Defense Satellite Application Program Block 4A) was the fourth version of the military meteorological satellites of the Defense Meteorological Satellite Program.
OPS 6073 (DMSP 4A F2) was lifted into orbit during the mission ‘Thor Burner 2 | DSAP-4A F2’, on board a Thor Burner 2 space rocket.
The launch took place on Feb. 8, 1967, 8 a.m. from Space Launch Complex 10W.
For more information about the launch, click the button.
Thor Burner 2 | DSAP-4A F2
Agency: N/A
Status: Launch Successful
Launch date: Feb. 8, 1967, 8 a.m. UTC
Rocket: Thor Burner 2
Launch pad: Space Launch Complex 10W
Location: Vandenberg SFB, CA, USA
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