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VANGUARD 1

retiredmeo

Live MEO tracker

Browse UNCLASSIFIED

Identification

NORAD / COSPAR: 5 / 1958-002B
Constellation: UNCLASSIFIED
Object type: PAYLOAD
Country / owner: United States
Operator: Various

Launch

Launch date: 17 Mar 1958
Launch site: N/A
Launch vehicle: N/A
Decay date: In orbit

Orbital parameters

Period: 132.59 min
Inclination: 34.25°
Apoapsis: 3819 km
Periapsis: 651 km
Mean altitude: 2235 km
Semi-major axis: 8606 km
Eccentricity: 0.18389

Live state

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

TrackingLive tracker

TLE epoch: 10/23/2026, 12:46:15 AM
Source: Space-Track

1 00005U 58002B   26296.03212193  .00000444  00000-0  57251-3 0  9991
2 00005  34.2480 279.7449 1838923 354.9766   3.4456 10.86081834457180