Grundig Digital Radio - Manual (Page 72)

DIGITAL RADIO GUIDE SATELLITE TRANSMISSION - SIRIUS / XM
72
Figure 5.4. Sirius Constellation
Each satellite follows the other around the ground track in following picture with 8-hour
separation. The perigee in the southern hemisphere is 24,500 km, which is above the
Van Allen belt, and the apogee in the northern hemisphere is 47,100 km.
Semi-major axis 42,164 km
Eccentricity 0.2684°
Inclination 63.4°
Argument of Perigee 270°
RAAN*
•
FM-1
•
FM-2
• FM-3
285°
165°
45°
Apogee Altitude 47,102 km
Perigee Altitude 24,469 km
*Right Ascension of Ascending Node