[Isocops] .STF file
Nathan Schwadron
nschwadron at me.com
Mon Jun 21 13:46:39 EDT 2010
Hi Mark
Could you include the attached background test into a new version of the stf?
Nathan
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On Jun 21, 2010, at 12:26 PM, Mark Tapley wrote:
> All,
> looked over the .STF file produced this morning. If the
> repointing maneuver is done according to the predictive .oef file:
>
> IBEX_2010_Forecast_18June10-30Sept10_v001.oef
>
> it'll look about like:
>
> 2010-07-05T06:26:28.067Z,RepointingTargetVector,vtsX:-0.2251425321231968,orbit:84,vtsZ:0.387883331407774,vtsY:0.8937882083833745
>
>
> So off I go to ibex_rotate
>
>
> [tapley at ena ~]$ ibex_rotate -o -u
> -0.22514253212319688,0.8937882083833745,0.387883331407774 ibex-sun -t
> 2010-07-05T06:26:28.067Z
> Quaternion +0.000000,+0.000000,+0.000000,+0.000000
> points axis +1.000000,+0.000000,+0.000000
> towards ECI -0.225143,+0.893788,+0.387883
> which is R.A. +104.138 Decl. +22.823
> missing R.A. +104.145 Decl. +22.822
> (-0.22514253212319688,0.8937882083833745,0.387883331407774)
> error is R.A. +0.006 Decl. +0.001
> for a total 0.006 deg
> [tapley at ena ~]$ ibex_rotate -o -u
> -0.22514253212319688,0.8937882083833745,0.387883331407774 ibex-sun -t
> 2010-07-11T15:36:30.000Z
> Quaternion +0.000000,+0.000000,+0.000000,+0.000000
> points axis +1.000000,+0.000000,+0.000000
> towards ECI -0.225143,+0.893788,+0.387883
> which is R.A. +104.138 Decl. +22.823
> missing R.A. +110.700 Decl. +22.060
> (-0.22514253212319688,0.8937882083833745,0.387883331407774)
> error is R.A. +6.561 Decl. +0.763
> for a total 6.112 deg
>
>
> Looks like the PL will be safe from the time of the maneuver until
> the descending time (good), if the actual repointing is done before
> the ASC macros run during the preceding perigee pass.
>
> There's no star tracker outage during science operations.
>
> It looks good to me.
> --
> - Mark 210-379-4635
> -----------------------------------------------------------------------
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