Key statistics
Satellite OPS 6073 (DMSP 4A F2) at a glance.
Uptime
21334
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: 100.837 minutes
Inclination: 99.0808 deg
SMA: 7176.392 km
Apoapsis: 832.712 km
Periapsis: 763.803 km
RAAN: 171.2925 deg
Eccentricy: 0.0048011
Argument of periapsis: 299.3906 deg
Mean anomaly: 60.2485 deg
Mean motion: 14.28050278 rev/day
Mean motion (dot): 0.00000091 rev/day2
B* drag term: 0.00005558 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 10:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 9:52 p.m. UTC
TLE line 0: 0 OPS 6073 (DMSP 4A F2)
TLE line 1: 1 2669U 67010A 25187.91120999 .00000091 00000-0 55580-4 0 9997
TLE line 2: 2 2669 99.0808 171.2925 0048011 299.3906 60.2485 14.28050278 35525
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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