Key statistics
Satellite OPS 4078 (DMSP 4B F2) at a glance.
Uptime
20652
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for OPS 4078 (DMSP 4B F2).
Object identification
Identified? True
Debris? False
Object name: OPS 4078 (DMSP 4B F2)
International designator: 1968-092A
Object number (NORAD): 3510
Object ID (CCSDS): 3510
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 100.835 minutes
Inclination: 98.5245 deg
SMA: 7176.311 km
Apoapsis: 820.369 km
Periapsis: 775.982 km
RAAN: 254.6133 deg
Eccentricy: 0.0030926
Argument of periapsis: 75.1376 deg
Mean anomaly: 285.3227 deg
Mean motion: 14.28074616 rev/day
Mean motion (dot): 0.00000214 rev/day2
B* drag term: 0.00010299 1/REarth
Two-line elements (TLE)
Creation date: May 9, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 8, 2025, 3:07 p.m. UTC
TLE line 0: 0 OPS 4078 (DMSP 4B F2)
TLE line 1: 1 03510U 68092A 25128.63031414 .00000214 00000-0 10299-3 0 9995
TLE line 2: 2 03510 98.5245 254.6133 0030926 75.1376 285.3227 14.28074616939501
Live tracking on map
Real-time ground track for satellite OPS 4078 (DMSP 4B F2).
In-orbit conjunctions
There are no conjunctions computed for OPS 4078 (DMSP 4B 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-4B (Defense Satellite Application Program Block 4B) was the sixth version of the military meteorological satellites of the Defense Meteorological Satellite Program.
OPS 4078 (DMSP 4B F2) was lifted into orbit during the mission ‘Thor Burner 2 | DSAP-4B F2’, on board a Thor Burner 2 space rocket.
The launch took place on Oct. 23, 1968, 4:34 a.m. from Space Launch Complex 10W.
For more information about the launch, click the button.
Thor Burner 2 | DSAP-4B F2
Agency: N/A
Status: Launch Successful
Launch date: Oct. 23, 1968, 4:34 a.m. UTC
Rocket: Thor Burner 2
Launch pad: Space Launch Complex 10W
Location: Vandenberg SFB, CA, USA
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Latest news about this satellite
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