User: anonymous   Login
Location: Woodstock
(35.2731°N, 89.9823°W)
Time: 20:17:25
(UTC+00:00)
Language:

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 is defined by the following mean orbital elements,

1 00005U          26018.45156994 +.00000000 +00000-0 -24507-4 0 00001
2 00005  34.2491  56.4106 1839482 183.3677 175.2761 10.85940622    08
Epoch (UTC): 18 January 2026 10:50:15
Eccentricity: 0.1839482
inclination: 34.2491°
perigee height: 651 km
apogee height: 3820 km
right ascension of ascending node: 56.4106°
argument of perigee: 183.3677°
revolutions per day: 10.85940622
mean anomaly at epoch: 175.2761°

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

DLR