Key statistics
Satellite OPS 6026 (DMSP 4A F1) at a glance.
Uptime
21417
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for OPS 6026 (DMSP 4A F1).
Object identification
Identified? True
Debris? False
Object name: OPS 6026 (DMSP 4A F1)
International designator: 1966-082A
Object number (NORAD): 2418
Object ID (CCSDS): 2418
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 99.757 minutes
Inclination: 98.2884 deg
SMA: 7125.058 km
Apoapsis: 829.647 km
Periapsis: 664.198 km
RAAN: 283.352 deg
Eccentricy: 0.0116104
Argument of periapsis: 177.6634 deg
Mean anomaly: 182.5124 deg
Mean motion: 14.43511299 rev/day
Mean motion (dot): 0.00000753 rev/day2
B* drag term: 0.00021783 1/REarth
Two-line elements (TLE)
Creation date: May 6, 2025, 3:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 5, 2025, 8:18 p.m. UTC
TLE line 0: 0 OPS 6026 (DMSP 4A F1)
TLE line 1: 1 02418U 66082A 25125.84639188 .00000753 00000-0 21783-3 0 9998
TLE line 2: 2 02418 98.2884 283.3520 0116104 177.6634 182.5124 14.43511299 53512
Live tracking on map
Real-time ground track for satellite OPS 6026 (DMSP 4A F1).
In-orbit conjunctions
There are no conjunctions computed for OPS 6026 (DMSP 4A F1), 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 6026 (DMSP 4A F1) was lifted into orbit during the mission ‘Thor Burner 2 | DSAP-4A F1’, on board a Thor Burner 2 space rocket.
The launch took place on Sept. 16, 1966, 4:36 a.m. from Space Launch Complex 10W.
For more information about the launch, click the button.
Thor Burner 2 | DSAP-4A F1
Agency: N/A
Status: Launch Successful
Launch date: Sept. 16, 1966, 4:36 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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