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EXPLORER 31 (ISIS-X)

retiredleo

Live LEO tracker

Browse UNCLASSIFIED

Identification

NORAD / COSPAR: 1806 / 1965-098B
Constellation: UNCLASSIFIED
Object type: PAYLOAD
Country / owner: United States
Operator: Various

Launch

Launch date: 29 Nov 1965
Launch site: N/A
Launch vehicle: N/A
Decay date: In orbit

Orbital parameters

Period: 119.16 min
Inclination: 79.78°
Apoapsis: 2784 km
Periapsis: 503 km
Mean altitude: 1643 km
Semi-major axis: 8014 km
Eccentricity: 0.14217

Live state

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

TrackingLive tracker

TLE epoch: 10/22/2026, 2:32:49 PM
Source: Space-Track

1  1806U 65098B   26295.60613211 -.00000340  00000-0 -11785-3 0  9991
2  1806  79.7786 244.6950 1421716 244.8186  99.9012 12.08429615664088