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Location: North Evanston
(42.0634°N, 87.6976°W)
Time: 05:14:06
(UTC+00:00)
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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 is defined by the following mean orbital elements,

1 00016U          26129.81188477 +.00000000 +00000-0 +11770-4 0 00004
2 00016  34.2721  56.0226 2018730 318.4554  27.8685 10.49588549    09
Epoch (UTC): 09 May 2026 19:29:06
Eccentricity: 0.2018730
inclination: 34.2721°
perigee height: 655 km
apogee height: 4212 km
right ascension of ascending node: 56.0226°
argument of perigee: 318.4554°
revolutions per day: 10.49588549
mean anomaly at epoch: 27.8685°

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

DLR