OPS 5721

9415
Spacetrack Directory Number
1976-09-11
Orbit launches
810.74 km
Average height
26818.05 km/h
Average velocity


Satellite information OPS 5721 - OPS 5721 (DMSP 5D-1 F1

Spacetrack Directory Name OPS 5721
Alternative name OPS 5721 (DMSP 5D-1 F1
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Orbit launches 1976-09-11 (50 years ago)
Days in orbit 18292
Country/organisation of origin USA (US)
Starting point AFWTR (Vandenberg Air Force Base, USA)
Perigee 790 km
Apogee 817 km
Orbit slope (inclination) 98.38°
Laps per day 14
Height OPS 5721 810.74 km

Additional information OPS 5721

OPS 5721, 9415 is a payload satellite owned by SAMSO (US) in SSO that was launched on Sat, 11 Sep 1976 UTC via a THOR DSV-2U launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

satellite OPS 5721 Date of exalting 11.09.1976y. Average height of ISS OPS 5721 hundred 810.74 km. Average velocity OPS 5721 is 26818.05 km/h. Inclination OPS 5721 satellite 98.37°.

TLE



Average orbit height OPS 5721

Average velocity OPS 5721

Average inclination OPS 5721

Mean right ascension of the ascending node (RAAN) OPS 5721

Mean argument of perigee OPS 5721

Mean semi-major axis of the orbit OPS 5721

Mean orbital eccentricity OPS 5721

Update time: 2026-10-11 19:30:20
Average height of ISS OPS 5721 is: 810.74km
Average velocity OPS 5721 is: 26818.05km/h
Average orbit height OPS 5721 is: 98.37°
OPS 5721 a new group of Starlink satellites has been launched 1976-09-11
OPS 5721 is from 18292 days Days in orbit.