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Location: Bush Observatory
(40.2653°N, 94.3194°W)
Time: 07:31:35
(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   15112.48430290  .00001019  00000-0  13056-2 0  9998
2 00005 034.2447 267.9766 1845077 160.3370 207.9015 10.84578542   868
Epoch (UTC): 22 April 2015 11:37:23
Eccentricity: 0.1845077
inclination: 34.2447°
perigee height: 652 km
apogee height: 3833 km
right ascension of ascending node: 267.9766°
argument of perigee: 160.3370°
revolutions per day: 10.84578542
mean anomaly at epoch: 207.9015°
orbit number at epoch: 86

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

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