Key statistics
Satellite OPS 6073 (DMSP 4A F2) at a glance.
Uptime
21441
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: 100.833 minutes
Inclination: 99.0947 deg
SMA: 7176.209 km
Apoapsis: 833.084 km
Periapsis: 763.063 km
RAAN: 282.5386 deg
Eccentricy: 0.0048787
Argument of periapsis: 351.3311 deg
Mean anomaly: 8.7021 deg
Mean motion: 14.28105117 rev/day
Mean motion (dot): 0.00000343 rev/day2
B* drag term: 0.00015548 1/REarth
Two-line elements (TLE)
Creation date: Oct. 21, 2025, 11:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 21, 2025, 7:53 p.m. UTC
TLE line 0: 0 OPS 6073 (DMSP 4A F2)
TLE line 1: 1 2669U 67010A 25294.82867679 .00000343 00000-0 15548-3 0 9998
TLE line 2: 2 2669 99.0947 282.5386 0048787 351.3311 8.7021 14.28105117 50315
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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