[Isocops] IBEX Orbit# 282 ATS Approval (4 Apr 15 - 13 Apr 15)
Marty Quinn
martyq92 at gmail.com
Wed Mar 25 13:43:38 EDT 2015
Hi All,
I approve Orbit #282 ATS.
For spacecraft pointing during Orbit 282, see below.
Marty
Ibex Orbit positions times are in sync with the Command Checklist times.
---------------------------------------------------------
[msq at ena ~]$ ibex_orbit -r 282 -D apogee -R E
0282
2015/04:09:05:23:55 1980/01:06:00:00:00
[msq at ena ~]$ ibex_orbit -r 282 -D perigee -R E
0282
2015/04:13:16:38:51 1980/01:06:00:00:00
[msq at ena ~]$ ibex_orbit -r 282 -D 14 -R E
0282
2015/04:05:04:15:58 2015/04:13:06:24:40
[msq at ena ~]$ ibex_orbit -r 282 -D 15 -R E
0282
2015/04:05:05:50:52 2015/04:13:04:51:22
---------------------------------------------------------
Here are the spacecraft pointing positions for Orbit 282.
---------------------------------------------------------
Perigee Orbit 281 pointing: after sun pointing maneuver
ibex_rotate -o -u 0.0,0.0,0.0,1.0 -w ibex-sun -t 2015/04:04:08:42:20
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +nan,+nan,+nan
which is R.A. +nan Decl. +nan
missing R.A. +12.910 Decl. +5.545 (ibex-sun)
error is R.A. +nan Decl. +nan
for a total nan deg
[msq at ena ~]$ ibex_rotate -o -r +12.910 -d +5.545 -w ibex-sun -t
2015/04:04:08:42:20
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.970161,+0.222375,+0.096628
which is R.A. +12.910 Decl. +5.545
missing R.A. +12.910 Decl. +5.545 (ibex-sun)
error is R.A. +0.000 Decl. +0.000
for a total 0.000 deg
#At beginning of Orbit 282 ascending Arc A
[msq at ena ~]$ ibex_rotate -o -r +12.910 -d +5.545 -w ibex-sun -t
2015/04:05:05:50:54
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.970161,+0.222375,+0.096628
which is R.A. +12.910 Decl. +5.545
missing R.A. +13.751 Decl. +5.874 (ibex-sun)
error is R.A. +0.841 Decl. +0.329
for a total 0.899 deg
#At end of descending Arc A
[msq at ena ~]$ ibex_rotate -o -r +12.910 -d +5.545 -w ibex-sun -t
2015/04:09:03:51:16
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.970161,+0.222375,+0.096628
which is R.A. +12.910 Decl. +5.545
missing R.A. +17.429 Decl. +7.364 (ibex-sun)
error is R.A. +4.519 Decl. +1.819
for a total 4.845 deg
#Apogee Orbit 282 pointing:
[msq at ena ~]$ ibex_rotate -o -u 0.0,0.0,0.0,1.0 -w ibex-sun -t
2015/04:09:05:39:24
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +nan,+nan,+nan
which is R.A. +nan Decl. +nan
missing R.A. +17.497 Decl. +7.392 (ibex-sun)
error is R.A. +nan Decl. +nan
for a total nan deg
[msq at ena ~]$ ibex_rotate -o -r +17.497 -d +7.392 -w ibex-sun -t
2015/04:09:05:39:24
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.945806,+0.298157,+0.128657
which is R.A. +17.497 Decl. +7.392
missing R.A. +17.497 Decl. +7.392 (ibex-sun)
error is R.A. +0.000 Decl. +0.000
for a total 0.000 deg
#At beginning of ascending Arc B
ibex_rotate -o -r +17.497 -d +7.392 -w ibex-sun -t 2015/04:09:07:09:30
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.945806,+0.298157,+0.128657
which is R.A. +17.497 Decl. +7.392
missing R.A. +17.554 Decl. +7.416 (ibex-sun)
error is R.A. +0.057 Decl. +0.024
for a total 0.061 deg
#At end of descending Arc B
ibex_rotate -o -r +17.497 -d +7.392 -w ibex-sun -t 2015/04:13:04:48:14
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.945806,+0.298157,+0.128657
which is R.A. +17.497 Decl. +7.392
missing R.A. +21.017 Decl. +8.850 (ibex-sun)
error is R.A. +3.520 Decl. +1.458
for a total 3.777 deg
#Perigee Orbit 282 pointing:
ibex_rotate -o -u 0.933916,0.331781,0.133121 -w ibex-sun -t
2015/04:13:07:05:10
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.933917,+0.331781,+0.133121
which is R.A. +19.558 Decl. +7.650
missing R.A. +21.100 Decl. +8.883 (ibex-sun)
error is R.A. +1.542 Decl. +1.233
for a total 1.962 deg
#Apogee Orbit 283 pointing (assuming no pointing at Arc A descending)
ibex_rotate -o -u 0.933916,0.331781,0.133121 -w ibex-sun -t
2015-04-18T03:10:12.613Z
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI +0.933917,+0.331781,+0.133121
which is R.A. +19.558 Decl. +7.650
missing R.A. +25.708 Decl. +10.616 (ibex-sun)
error is R.A. +6.150 Decl. +2.966
for a total 6.758 deg
Marty Quinn
GISLAB/Space Science Center UNH
marty.quinn at unh.edu <marty at drsrl.com>
603 988-7107
On Tue, Mar 24, 2015 at 11:02 AM, Perry.Tim <tim.perry at orbitalatk.com>
wrote:
> All,
>
> I approve Orbit #282 ATS.
>
> Tim
>
>
>
> Timothy E.Perry
>
> CRS Mission Planning
>
> IBEX Mission Ops Lead
>
> tim.perry at orbitalatk.com
>
> Office (703) 406-5976
>
> Cell (301) 606-1430
>
> [image: cid:image001.jpg at 01D04F4E.6B1BECE0]
>
>
>
> *From:* Ibex Mission Operations [mailto:ibexops at gmail.com]
> *Sent:* Monday, March 23, 2015 11:28 AM
> *To:* David Heirtzler; IBEX FDG; ISOC at New Hampshire; Ken Fairchild;
> Marty Quinn; Michelle Reno; Nigel Angold; Paul Janzen; Lockwood.Robert;
> Tyler.Ryan; Wesley.Sheral; Perry.Tim
> *Subject:* IBEX Orbit# 282 ATS Approval (4 Apr 15 - 13 Apr 15)
>
>
>
> Guys,
>
> Here are the planning files and ATS for Orbit# 282. Please respond to
> this email thread with comments and approvals.
> Approvals are required before 25 Mar 15 @2000 UTC
>
>
>
> Note the following:
>
> 1. Apogee Sun Maneuver
>
> 2. OEF started in Orbit# 280 because of the Perigee Sun Maneuver in Orbit#
> 281
>
> 3. Moon in Lo FOV
>
> # 2015-04-12T20:49:13.373Z,MoonInLoFovStart,orbit:282
> # 2015-04-13T03:19:53.345Z,MoonInLoFovStop,orbit:282
>
> 4. Battery Balancing at PERIGEE
>
> ECT_
>
> SetLongEclipseFlag TRUE $TIME=2015/04:13:16:00:00
>
>
> ECT_
>
> SetLongEclipseFlag FALSE $TIME=2015/04:13:17:30:00
> --
>
> Sheral R. Wesley
> SPVR., Satellite Operations
> IBEX Mission OPS
>
> CYGNUS Mission Planning
> (304) 279-6678
>
>
>
>
>
>
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