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Location: Alexandria
(38.8050°N, 77.0470°W)
Time: 17:18:20
(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 00005U 58002B   18143.12035720  .00000076  00000-0  82152-4 0  9992
2 00005  34.2517  37.9503 1845866 189.1897 166.9818 10.84816093123215
Epoch (UTC): 23 May 2018 02:53:18
Eccentricity: 0.1845866
inclination: 34.2517°
perigee height: 650 km
apogee height: 3833 km
right ascension of ascending node: 37.9503°
argument of perigee: 189.1897°
revolutions per day: 10.84816093
mean anomaly at epoch: 166.9818°
orbit number at epoch: 12321

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

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