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Location: Boston
(42.3580°N, 71.0600°W)
Time: 21:12:08
(UTC-04:00)
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Vanguard 1 Rocket - 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    16U 58002A   18115.71673974 +.00000153 +00000-0 +20686-3 0  9996
2    16 034.2618 257.7353 2023773 173.1936 190.1142 10.48645598376553
Epoch (UTC): 25 April 2018 17:12:06
Eccentricity: 0.2023773
inclination: 34.2618°
perigee height: 654 km
apogee height: 4223 km
right ascension of ascending node: 257.7353°
argument of perigee: 173.1936°
revolutions per day: 10.48645598
mean anomaly at epoch: 190.1142°
orbit number at epoch: 37655

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

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