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Location: PSU-Greenbush Astrophysical Observatory
(37.5140°N, 94.9880°W)
Time: 11:05:16
(UTC-06:00)
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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   20020.19304527  .00000208  00000-0  28776-3 0  9998
2     5  34.2473 328.1500 1845631  40.6561 331.8115 10.84802389189147
Epoch (UTC): 20 January 2020 04:37:59
Eccentricity: 0.1845631
inclination: 34.2473°
perigee height: 651 km
apogee height: 3832 km
right ascension of ascending node: 328.1500°
argument of perigee: 40.6561°
revolutions per day: 10.84802389
mean anomaly at epoch: 331.8115°
orbit number at epoch: 18914

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

DLR