VANGUARD 3

retiredleo

NORAD / COSPAR20 / 1959-007A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerUnited States

OperatorVarious

Launch date18 Sep 1959

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period123.92 min

Inclination33.34°

Apoapsis3203 km

Periapsis508 km

Mean altitude1856 km

Semi-major axis8227 km

Eccentricity0.16365

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 1:12:14 PM

SourceSpace-Track

1 00020U 59007A   26251.55016899  .00000572  00000-0  22976-3 0  9995
2 00020  33.3437 326.7488 1636483 140.5469 232.6522 11.62022394494318