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Location: College Park
(38.9810°N, 76.9370°W)
Time: 01:55:00
(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     5U 58002B   18053.07449262 +.00000145 +00000-0 +18851-3 0  9997
2     5 034.2473 315.3574 1846667 143.9705 230.0739 10.84796685113334
Epoch (UTC): 22 February 2018 01:47:16
Eccentricity: 0.1846667
inclination: 34.2473°
perigee height: 650 km
apogee height: 3833 km
right ascension of ascending node: 315.3574°
argument of perigee: 143.9705°
revolutions per day: 10.84796685
mean anomaly at epoch: 230.0739°
orbit number at epoch: 11333

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

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