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OPS 6182 (DMSP 5D-1 F3)

retiredleo

Live LEO tracker

Browse UNCLASSIFIED

Identification

NORAD / COSPAR: 10820 / 1978-042A
Constellation: UNCLASSIFIED
Object type: PAYLOAD
Country / owner: United States
Operator: Various

Launch

Launch date: 01 May 1978
Launch site: N/A
Launch vehicle: N/A
Decay date: In orbit

Orbital parameters

Period: 100.13 min
Inclination: 98.44°
Apoapsis: 771 km
Periapsis: 758 km
Mean altitude: 765 km
Semi-major axis: 7136 km
Eccentricity: 0.00088

Live state

Latitude: —
Longitude: —
Altitude: —
Velocity: —
Footprint area: —

TrackingLive tracker

TLE epoch: 10/24/2026, 6:12:37 AM
Source: Space-Track

1 10820U 78042A   26297.25876563  .00000293  00000-0  11095-3 0  9993
2 10820  98.4420 129.9432 0008751 328.2934  31.7725 14.38162662531566