[Isocops] IBEX Orbit# 150 ATS v003 - approve
Mark Tapley
mtapley at swri.edu
Thu Dec 8 11:23:39 EST 2011
All,
I have looked at the Orbit 150 ATS v003
IBEX_2011_354_o0150a_v003.txt
and I approve.
No constraint violation per .ccvr file:
IBEX_2011_354_o0150a_v003.ccvr
The PL commands in the ATS v003 match the STF v002
IBEX_2011_354_o0150a_v003.stf
per Ken's script (thanks!).
PL ascending and descending operations make sense with
respect to 15 Re ascending, Apogee, and 15 Re descending times from
IBEX_2011_354_o0150a_v002.oef
No Moon in -Lo FOV PMT setback commands and none needed per the .oef.
Ground station contact times and rates per
IBEX_Orbit150Contacts_v001.txt
match S/C commands for all 3 contacts.
No battery cell balancing this orbit.
Inertial maneuver at the end of orbit 149 left us pointing in
a safe direction for ascending and descending macros during first
half of orbit:
[tapley at ena ~]$ ibex_rotate -o -u -0.079562,-0.909403,-0.408235 -w
ibex-sun -t 2011/12:20:21:39:53
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.079562,-0.909403,-0.408235
which is R.A. +265.000 Decl. -24.094
missing R.A. +268.362 Decl. -23.419 (ibex-sun)
error is R.A. +3.362 Decl. +0.675
for a total 3.151 deg
[tapley at ena ~]$ ibex_rotate -o -u -0.079562,-0.909403,-0.408235 -w
ibex-sun -t 2011/12:24:11:37:01
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.079562,-0.909403,-0.408235
which is R.A. +265.000 Decl. -24.094
missing R.A. +272.221 Decl. -23.450 (ibex-sun)
error is R.A. +7.221 Decl. +0.644
for a total 6.639 deg
Inertial maneuver at apogee leaves us pointing in a safe
direction at maneuver and at following Ascending and Descending
Macros.
[tapley at ena ~]$ ibex_rotate -o -u 0.00223,-0.912503,-0.409063 -w
ibex-sun -t 2011/12:24:13:11:25
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.002230,-0.912503,-0.409063
which is R.A. +270.140 Decl. -24.146
missing R.A. +272.293 Decl. -23.449 (ibex-sun)
error is R.A. +2.153 Decl. +0.697
for a total 2.090 deg
[tapley at ena ~]$ ibex_rotate -o -u 0.00223,-0.912503,-0.409063 -w
ibex-sun -t 2011/12:24:14:58:31
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.002230,-0.912503,-0.409063
which is R.A. +270.140 Decl. -24.146
missing R.A. +272.375 Decl. -23.448 (ibex-sun)
error is R.A. +2.235 Decl. +0.698
for a total 2.160 deg
[tapley at ena ~]$ ibex_rotate -o -u 0.00223,-0.912503,-0.409063 -w
ibex-sun -t 2011/12:28:23:43:23
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.002230,-0.912503,-0.409063
which is R.A. +270.140 Decl. -24.146
missing R.A. +277.296 Decl. -23.279 (ibex-sun)
error is R.A. +7.156 Decl. +0.867
for a total 6.608 deg
Inertial maneuver at perigee leaves us pointing in a safe
direction at maneuver and (barely) at following Apogee.
[tapley at ena ~]$ ibex_rotate -o -u 0.081676,-0.909252,-0.408155 -w
ibex-sun -t 2011/12:29:10:16:53
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.081676,-0.909252,-0.408155
which is R.A. +275.133 Decl. -24.089
missing R.A. +277.822 Decl. -23.239 (ibex-sun)
error is R.A. +2.689 Decl. +0.850
for a total 2.605 deg
[tapley at ena ~]$ ibex_rotate -o -u 0.081676,-0.909252,-0.408155 -w
ibex-sun -t 2012-01-03T00:42:17.120Z
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.081676,-0.909252,-0.408155
which is R.A. +275.133 Decl. -24.089
missing R.A. +282.800 Decl. -22.947 (ibex-sun)
error is R.A. +7.667 Decl. +1.142
for a total 7.122 deg
O-mode Commands during arc B only; no start/stop times.
No overlaps to orbit 148 by manual check or by reference to
http://ibex.unh.edu/cgi-bin/ats.cgi.
Command Approval Checklist attached.
-Hi Neg collimator voltage set to 1400V on arc A only.
At 20:51 -0500 12/7/11, Ibex Mission Operations wrote:
>Guys,
> Here are the planning files and ATS for Orbit# 150 v003.
>
>Please note the following changes:
>1. The Inertial Maneuver at PERIGEE takes place outside of the eclipse.
>2. The V003 ATS does not include the commands to set the O-mode
>start/stop bins
>3. The CCVR report has no violations
--
- Mark 210-379-4635
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