About Vanguard I
Group: 3 satellites
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Live Position
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Upcoming Passes
Altitude History
Altitude vs Time
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Two-Line Element Set
1 5U 58002B 26064.72008820 .00000217 00000-0 30023-3 0 9996
2 5 34.2426 273.6355 1837514 31.9355 338.0467 10.85954731432030
Epoch: Mar 5, 2026 •
Age: 41 hours
Current Status
Altitude 3142.1 km
Velocity 6.13 km/s
Sub-Earth Point -34.10°S,
113.13°E
Type other
Large Constellations
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