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Location: Charlottesville
(38.0290°N, 78.4770°W)
Time: 09:13:38
(UTC-05:00)
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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 00005U 58002B   18054.73124468  .00000149  00000-0  19031-3 0  9994
2 00005  34.2470 310.2528 1846674 151.4281 220.1371 10.84797212113615
Epoch (UTC): 23 February 2018 17:32:59
Eccentricity: 0.1846674
inclination: 34.2470°
perigee height: 650 km
apogee height: 3833 km
right ascension of ascending node: 310.2528°
argument of perigee: 151.4281°
revolutions per day: 10.84797212
mean anomaly at epoch: 220.1371°
orbit number at epoch: 11361

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

DLR