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Location: Boston
(42.3580°N, 71.0600°W)
Time: 18:25:08
(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     5U 58002B   17288.51066995 +.00000265 +00000-0 +31484-3 0  9993
2     5 034.2621 354.4712 1846789 281.0386 058.8921 10.84748461099264
Epoch (UTC): 15 October 2017 12:15:21
Eccentricity: 0.1846789
inclination: 34.2621°
perigee height: 650 km
apogee height: 3834 km
right ascension of ascending node: 354.4712°
argument of perigee: 281.0386°
revolutions per day: 10.84748461
mean anomaly at epoch: 58.8921°
orbit number at epoch: 9926

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

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