Re: Chandra orbit

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>Chandra Orbit Controller sent me the following
>state vector in km, km/s:
>
>25 Jul 1999 13:00:00.0000 UTC
>14341.781689, 3200.342466, 471.524974
> -5.199520, 3.387636, -2.539670
>Geocentric cartesian J2000 
>
>This is the DSN-based post-IPS-1 orbit.
>Note the Space Command orbit (from independent data)
>is 
>1 25867U 99040B   99206.05347222 -.00000025  00000-0  00000+0 0    78  
>2 25867  28.4406 196.0256 8242614 270.3420 180.3395  0.97337724    32 
>
>Can someone vec2tle the state vector so we can compare them?
>  Jonathan McDowell

I used Vec2TLE with ECI coordinates and got this.  The newer one is about
3.5 minutes after the SPACECOM elset position wise using Skymap

Chandra     
1 25867U 99040B   99206.54166667  .00000000  00000-0  12522-5 0    18
2 25867  28.4430 195.9761 8244389 270.3796 351.4282  0.97204430    38

Ron Lee

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