[amsat-bb] Re: Sputnik-1 orbit parameters

[John Heaton]

I just googled for 'sputnik tle' and came up with

 http://www.satobs.org/seesat/Aug-1997/0475.html

John

On Sat, 2007-09-22 at 22:58 +0100, andy thomas wrote:
> 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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