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 00005U 58002B   13140.77645047  .00000360  00000-0  42649-3 0   908
2 00005 034.2610 268.0443 1850978 244.8840 094.8798 10.84300260924697
Epoch (UTC): 20 May 2013 18:38:05
Eccentricity: 0.1850978
inclination: 34.2610°
perigee height: 648 km
apogee height: 3840 km
right ascension of ascending node: 268.0443°
argument of perigee: 244.8840°
revolutions per day: 10.84300260
mean anomaly at epoch: 94.8798°
orbit number at epoch: 92469

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

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