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Sputnik-1 orbit parameters



Following from the RAE table of earth satellites
1957-1980

Sputnik 1: 1957 a2  (a=alpha)
launch date Oct 4.81 1957

Orbital determination - 

1957 oct 4.8

Inclination - 65.1 (degs)
Nodal period 96.2 mins
Semimajor axis 6955 km
Perigee height  215 Km
Apogee height 939  Km
Eccentricity 0.052
Arg of Perigee (deg) 58

1957 Oct 25.8:

65.1
95.4
6916
213
863
0.047
49


1957 dec 25.1

65.0
91.0
6702
190
458
0.02
23


descent date: 1958 jan 4
lifetime 92 days

These look to me like Amsat type elements and I'm sure
someone can turn them into standard nasa TLE's but i'm
3 mins away from a cubesat rx so 

73 de andy G0SFJ


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