Re: RE: CLIO pre-launch elements

From: Jonathan McDowell via Seesat-l <seesat-l_at_satobs.org>
Date: Tue, 16 Sep 2014 18:56:47 -0400
I now think that Ted's estimate of the transfer orbit is the most plausible
But unless I've done the mass wrong, it means the
payload must be *very* light - around 1000 kg launch mass - to get that
much delta-V from a 1 minute Centaur burn
(assuming Centaur dry mass around 2000 kg).

On 16 September 2014 18:53, Jon . via Seesat-l <seesat-l_at_satobs.org> wrote:

> Launch is now 23:28 UTC. Here again updated data:
>
> TED:
>
> Parking orbit                                          176 X 21622 km
> 1 78401U          14260.05875222  .00000000  00000-0  00000-0 0    07
> 2 78401  25.3510 169.6142 6206470 145.1850  95.2000  3.82400000    09
>
> My transfer orbit using Ted's orbit:
>
> Transfer orbit                                       21613 X 35716 km
> 1 78402U 14260.   14260.09713310 0.00000000  00000-0  00000+0 0    05
> 2 78402  25.3529 169.5576 2012122 323.5511 350.1816  1.32347632    03
>
> CEES:
>
> 15000 km apogee
> 1 82301U 14999A   14260.09436671  .00000000  00000-0  00000-0 0    08
> 2 82301  34.6956 151.5539 3436967 149.3206 168.2153  4.30685461    04
>
> 16000 km apogee
> 1 82302U 14999A   14260.09436671  .00000000  00000-0  00000-0 0    09
> 2 82302  34.6997 151.5534 4205739 147.5971 170.1859  4.37681794    03
>
> 17000 km apogee
> 1 82303U 14999A   14260.09436671  .00000000  00000-0  00000-0 0    00
> 2 82303  34.7035 151.5537 4977685 146.4071 171.6579  4.44139369    05
>
> 18000 km apogee
> 1 82304U 14999A   14260.09436671  .00000000  00000-0  00000-0 0    01
> 2 82304  34.7069 151.5551 5751391 145.5372 172.8519  4.50105857    07
>
>
> Jon.
>
> --
> Jon Mikel, COSPAR 6242, 42.9453, -2.82839, 623m, Bitoriano, Basque Country.
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Received on Tue Sep 16 2014 - 17:57:07 UTC

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