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Location: USNO
(38.9242°N, 77.0663°W)
Time: 13:49:29
(UTC-04:00)
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Vanguard 1 - Orbit

View from above orbital plane
View from above orbital plane
View from above satellite
View from above satellite

Ground track
Ground track

The orbit data is extracted from the following two-line orbital elements,

1     5U 58002B   18108.41146134 +.00000065 +00000-0 +10462-3 0  9999
2     5 034.2427 144.8862 1845825 032.9695 337.3518 10.84810434119340
Epoch (UTC): 18 April 2018 09:52:30
Eccentricity: 0.1845825
inclination: 34.2427°
perigee height: 650 km
apogee height: 3833 km
right ascension of ascending node: 144.8862°
argument of perigee: 32.9695°
revolutions per day: 10.84810434
mean anomaly at epoch: 337.3518°
orbit number at epoch: 11934

The dashed part of the orbit path shows where the satellite is in the earth's shadow,  

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