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Location: Colorado Springs
(38.8340°N, 104.8210°W)
Time: 16:41:20
(UTC-07:00)
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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   18048.10370057 +.00000164 +00000-0 +22284-3 0  9996
2     5 034.2483 330.6711 1846725 121.6018 257.8055 10.84795074112791
Epoch (UTC): 17 February 2018 02:29:19
Eccentricity: 0.1846725
inclination: 34.2483°
perigee height: 650 km
apogee height: 3833 km
right ascension of ascending node: 330.6711°
argument of perigee: 121.6018°
revolutions per day: 10.84795074
mean anomaly at epoch: 257.8055°
orbit number at epoch: 11279

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

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