Geostationary
NORAD ID: 25639
Int'l Code: 1999-009B
Perigee: 35,779.9 km
Apogee: 35,807.7 km
Inclination: 8.2 °
Period: 1,436.1 minutes
Semi major axis: 42164 km
Launch date: February 26, 1999
Source: United Kingdom (UK)
Comments: Used primarily by UK's armed forces, government departments, agencies and other organizations that require secure communications.
Two Line Element Set (TLE):
1 25639U 99009B 13139.00899425 .00000146 00000-0 00000+0 0 3642
2 25639 008.2447 041.2721 0003304 015.3075 215.8946 01.00271613 52137
Source: AFSPC
NASA's NSSDC Master Catalog entry for SKYNET 4E
