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Location: Rancho Del Sol Observatory
(38.7214°N, 120.6350°W)
Time: 14:46:43
(UTC-08:00)
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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   20017.24562499 +.00000209 +00000-0 +28605-3 0  9996
2     5 034.2477 337.2305 1845588 027.3909 341.2893 10.84801052188721
Epoch (UTC): 17 January 2020 05:53:41
Eccentricity: 0.1845588
inclination: 34.2477°
perigee height: 651 km
apogee height: 3832 km
right ascension of ascending node: 337.2305°
argument of perigee: 27.3909°
revolutions per day: 10.84801052
mean anomaly at epoch: 341.2893°
orbit number at epoch: 18872

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

DLR