Upcoming Events …
& Other Stuff
June 2013 – January 2014
Shawn M. Brooks – UVIS Investigation Scientist
UVIS Team Meeting
Saint George, Utah
4-6 June 2013
Tour Status
• Sequence S78 will finish executing on 7 June
(evening of June 6 PDT).
• Rev 192 starts Friday, 8 June (late Thursday PDT):
–
–
–
–
–
period = 12.0 days
inclination = 59.4˚
eccentricity = 0.387
periapse = 10.244 Rsaturn; apoapse = 23.191 RSaturn
T91 occurred May 23; T92 will occur July 10
• During the next 6 months, we will:
– Decrease orbital inclination; circularize our orbit while raising
periapse
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This document has been reviewed and determined not to contain export controlled technical data.
XXM Tour Timeline
Saturn, Ring Solar Occultations
• Saturn
Rev 192
ingress – 58.80° S
Jun 12 (DOY 163) UVIS prime
(G ring, too!)
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This document has been reviewed and determined not to contain export controlled technical data.
Ring Stellar Occultations
2 UVIS stellar occultations through January 2014:
• d Centaurus
rev 191 (already executed), 194
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This document has been reviewed and determined not to contain export controlled technical data.
Titan Flybys
January 2013 – June 2013
• T92
Jul 10
964 km
RADAR/VIMS
UVIS inbound rider w/CIRS
• T93
Jul 26
1400 km
ORS (VIMS)
UVIS EUVFUV inbound, inbound rider w/CIRS
• T94
Sep 12
1400 km
ORS (VIMS)
UVIS EUVFUV outbound plus multiple riders
• T95
Oct 14
961 km
RADAR
UVIS inbound and outbound riders w/CIRS
• T96
Dec 01
1400 km
ORS (VIMS)
UVIS inbound rider w/CIRS
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This document has been reviewed and determined not to contain export controlled technical data.
Icy Satellite Flybys
None – not even non-targeted 
PIES:
Rev 193 –
• UVIS_193DI_LOPHASE001_PIE: Dione low phase
albedo mapping
• UVIS_193MI_LOPHASE001_PIE: Mimas low phase
albedo mapping
Rev 194 –
• UVIS_194EN_LOPHASE001_PIE: Enceladus low phase
albedo mapping
plus an Iapetus occultation of g Orionis
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This document has been reviewed and determined not to contain export controlled technical data.
Additional High-Priority UVIS
Observations
• Auroral stares, slews: revs 192, 193(2), 196(5), 197,
199, 200
• Saturn EUVFUV: rev 194 … followed by 18 Saturn
EUVFUVs comprising the West CAKEs in revs 194,
195 &196 (July, August 2013)
• Saturn thermosphere scans: rev 193, 196
• Saturn system scans: ~237 hours in revs 196,197
• And the SteFFl calibration on DOY 230 (rev196)
This document has been approved by the Cassini Program for limited release only. Further distribution without authorization is prohibited.
This document has been reviewed and determined not to contain export controlled technical data.
S79 UVIS SPASS (DsOY 158–226)
This document has been approved by the Cassini Program for limited release only. Further distribution without authorization is prohibited.
This document has been reviewed and determined not to contain export controlled technical data.
S79 UVIS SPASS (DsOY 158–226)
This document has been approved by the Cassini Program for limited release only. Further distribution without authorization is prohibited.
This document has been reviewed and determined not to contain export controlled technical data.
S80 UVIS SPASS (DsOY 226–295)
SPASS_S80_Port2_130422
Request
Sequence S80, length = 70 days
XD_196_197 Segment
NEW WAYPOINT
UVIS_196SA_AURSLEW001_PRIME
NEW WAYPOINT
UVIS_196IC_SPICARAST001_PRIME
NEW WAYPOINT
UVIS_196SA_AURSTARE001_PRIME
NEW WAYPOINT
UVIS_196SA_AURSTARE002_PRIME
Riders
Duration
069T13:24:00
027T22:12:00
001T13:56:00
000T11:20:00
End (SCET)
2013-295T23:15:00
2013-254T08:03:00
2013-230T00:06:00
2013-228T21:30:00
Primary
Secondary
ISS_NAC to Saturn
UVIS_FUV to Saturn
NEG_X to 135.1/37.3
NEG_X to 135.1/37.3
C, M, V
2013-230T10:11:00
2013-230T14:11:00
2013-232T20:15:00
2013-233T12:45:00
000T23:10:00
000T18:30:00
001T02:35:00
000T09:25:00
2013-231T09:21:00
2013-231T08:41:00
2013-233T22:50:00
2013-233T22:10:00
ISS_NAC to Saturn
UVIS_FUV to 201.298/-11.161
ISS_NAC to Saturn
UVIS_FUV to Saturn
NEG_X to 135.1/37.3
NEG_X to 135.1/37.3
NEG_Z to 135.1/37.3
NEG_Z to 135.1/37.3
001T12:50:00
001T08:10:00
2013-235T22:50:00
2013-235T22:10:00
ISS_NAC to Saturn
UVIS_FUV to Saturn
NEG_Z to 135.1/37.3
NEG_Z to 135.1/37.3
C
I, M, V
Start (SCET)
2013-226T09:51:00
2013-226T09:51:00
2013-228T10:10:00
2013-228T10:10:00
Start (Epoch)
C, V
2013-234T10:00:00
2013-234T14:00:00
NEW WAYPOINT
UVIS_196SA_AURSTARE003_PRIME
C, M, V
2013-236T10:00:00
2013-237T01:00:00
001T12:35:00
000T20:55:00
2013-237T22:35:00
2013-237T21:55:00
ISS_NAC to Saturn
UVIS_FUV to Saturn
NEG_Z to 135.1/37.3
NEG_Z to 135.1/37.3
NEW WAYPOINT
UVIS_196SA_AURSTARE004_PRIME
C, M, V
2013-238T09:45:00
2013-239T01:45:00
001T12:49:00
000T20:15:00
2013-239T22:34:00
2013-239T22:00:00
ISS_NAC to Saturn
UVIS_FUV to Saturn
NEG_Z to 135.1/37.3
NEG_Z to 135.1/37.3
2013-240T09:35:00
2013-241T07:45:00
2013-241T14:48:33
2013-244T03:00:00
2013-251T08:18:00
001T10:50:00
000T04:00:00
000T00:00:01
008T06:00:00
000T15:00:00
2013-241T20:25:00
2013-241T11:45:00
2013-241T14:48:34
2013-252T09:00:00
2013-251T23:18:00
ISS_NAC to Saturn
ISS_NAC to Saturn
NEG_Z to 135.1/37.3
NEG_Z to 135.1/37.3
XBAND to Earth
UVIS_FUV to Saturn
NEG_Y to 115.0/-41.0
NEG_X to 135.1/37.3
2013-253T13:47:43
2013-254T08:03:00
2013-254T08:43:00
2013-254T08:43:00
2013-255T09:58:56
2013-255T19:22:59
2013-257T21:17:00
2013-260T07:47:00
2013-262T08:20:00
2013-262T10:50:00
2013-263T21:02:00
2013-264T07:32:00
2013-273T07:01:00
000T00:00:01
003T00:00:00
001T11:35:00
000T00:14:59
GMB_E197_TITAN_T94+000T02:15:00
000T06:45:00
GMB_E197_TITAN_T94+000T11:39:03
000T00:15:00
004T00:00:00
001T13:00:00
001T12:42:00
001T09:35:00
017T03:53:00
001T07:15:00
000T15:00:00
2013-253T13:47:44
2013-257T08:03:00
2013-255T20:18:00
2013-254T08:57:59
2013-255T16:43:56
2013-255T19:37:59
2013-261T21:17:00
2013-261T20:47:00
2013-263T21:02:00
2013-263T20:25:00
2013-281T00:55:00
2013-265T14:47:00
2013-273T22:01:00
NEG_Y to Titan
NEG_Y to Titan
UVIS_FUV to Titan
NEG_Y to Titan
XBAND to Earth
ISS_NAC to Saturn
ISS_NAC to Saturn
ISS_NAC to Saturn
XBAND to Earth
ISS_NAC to Saturn
ISS_NAC to Saturn
NEG_X to NTP
NEG_X to NTP
NEG_X to NTP
NEG_X to NTP
NEG_Y to 296.0/40.0
NEG_Z to 37.25/83.6
NEG_Z to 134.7/38.9
NEG_Z to 37.25/83.6
NEG_X to 305.0/5.0
NEG_Z to 37.25/83.6
NEG_X to 37.25/83.6
2013-274T07:01:00
2013-276T06:46:00
2013-278T08:16:00
2013-280T01:46:00
2013-285T06:15:00
2013-286T13:40:23
2013-287T04:56:27
2013-290T00:00:00
001T13:15:00
001T13:30:00
001T05:30:00
000T12:00:00
004T09:45:00
000T00:00:01
000T00:00:01
005T23:15:00
2013-275T20:16:00
2013-277T20:16:00
2013-279T13:46:00
2013-280T13:46:00
2013-289T16:00:00
2013-286T13:40:24
2013-287T04:56:28
2013-295T23:15:00
ISS_NAC to Saturn
ISS_NAC to Saturn
ISS_NAC to Saturn
ISS_NAC to Saturn
NEG_X to 37.25/83.6
NEG_X to 37.25/83.6
POS_Z to 37.25/83.6
POS_Z to 37.25/83.6
NEW WAYPOINT
UVIS_196SA_THERMOSPH001_PRIME
Apoapse Per = 23.9 d, inc ...
NEW WAYPOINT
UVIS_197SA_AURSLEW001_PRIME
Periapse R = 18.469 Rs, lat...
Titan Flyby T94 Segment
NEW WAYPOINT
SP_197NA_DEADTIME254_PRIME
UVIS_197TI_EUVFUV002_PRIME
SP_197NA_DEADTIME255_PRIME
NEW WAYPOINT
UVIS_197SA_MOS197APO002_PRIME
NEW WAYPOINT
UVIS_197SA_MOS197APO004_PRIME
NEW WAYPOINT
UVIS_197SA_MOS197APO006_PRIME
UVIS_198SA_MOS197APO008_PRIME
UVIS_198SA_MOS197APO010_PRIME
UVIS_198SA_MOS197APO012_PRIME
UVIS_198SA_MOS197APO014_PRIME
UVIS_198SA_MOS197APO016_PRIME
Titan Flyby T95 Segment
Periapse R = 19.819 Rs, lat...
198TI (t) T95 TITAN Outbou...
XD_198 Segment
I, M, V
C
C, I, R, V
M, U
I
M
M
M
M
R
Comments
Must point within 15 deg of Saturn centre (2 of 3
rule: 1st pointing)
Must point within 15 deg of Saturn centre (2 of 3
rule: 1st pointing) MIMI secondary
Must point within 15 degrees of Saturn centre (2
of 3 rule: 1st poining) MIMI secondary
Must point within 15 degrees of Saturn centre (2
of 3 rule: 1st pointing) MIMI secondary
Must point within 15 degrees of Saturn centre (2
of 3 rule: 1st position) MIMI secondary
Must point within 15 deg of Saturn center
Must point within 15 degrees of Saturn centre (2
of 3 rule: 1st pointing) MIMI secondary
Must point within 15 deg of Saturn center
Must point within 15 deg of Saturn center
Must point within 15 deg of Saturn center
Must point within 7.5 deg of Saturn center off
Left Ansa only.
Must point within 15 deg of Saturn center
Must point within 15 deg of Saturn center
Must point within 15 deg of Saturn center
Must point within 15 deg of Saturn center
This document has been approved by the Cassini Program for limited release only. Further distribution without authorization is prohibited.
This document has been reviewed and determined not to contain export controlled technical data.
S81 UVIS SPASS (DsOY 295–362)
SPASS_S81_Kickoff_130510
Request
Sequence S81, length = 66 days
XD_198_199 Segment
Apoapse Per = 47.9 d, inc ...
NEW WAYPOINT
UVIS_199SA_AURSLEW001_PRIME
Titan Flyby T96 Segment
199TI (t) T96 TITAN Inboun...
Periapse R = 19.523 Rs, lat...
XD_199_200 Segment
Apoapse Per = 31.9 d, inc ...
Riders Start (SCET)
Start (Epoch)
2013-295T23:15:00
2013-295T23:15:00
2013-311T06:31:28
2013-327T17:40:00
C, V
2013-330T03:45:00
2013-333T03:45:00
2013-335T00:41:19
2013-335T22:43:20
2013-336T07:15:00
2013-351T21:24:13
Duration
066T02:32:00
037T04:30:00
000T00:00:01
003T10:50:00
000T13:15:00
003T03:30:00
000T00:00:01
000T00:00:01
025T18:32:00
000T00:00:01
End (SCET)
Primary
2013-362T01:47:00
2013-333T03:45:00
2013-311T06:31:29
2013-331T04:30:00 XBAND to Earth
2013-330T17:00:00 UVIS_FUV to Saturn
2013-336T07:15:00
2013-335T00:41:20
2013-335T22:43:21
2013-362T01:47:00
2013-351T21:24:14
Secondary
Comments
NEG_X to 313.0/3.0
NEG_X to 134.1/41.0
Must point within 15 deg of Saturn Center
Any other high-priority riders for S81 Science Forum?
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This document has been reviewed and determined1 not to contain export controlled technical data.
6/5/13
PSG#60 Action Items
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This document has been reviewed and determined not to contain export controlled technical data.
Enceladus Tour Tweak
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This document has been reviewed and determined not to contain export controlled technical data.
Enceladus Tour Tweak (cont’d)
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This document has been reviewed and determined not to contain export controlled technical data.
Tiger Team Studies
• Tiger teams have been meeting at JPL to
discuss F ring/proximal issues:
– Sequence Implementation Process Options
• SIP process during EOM, chaired by B. Heventhal
– Pre-Integration and Segmentation
• integration, PIE process for EOM, chaired by K. Magee
– Science Observation Design
• FR constraints and design software vulnerabilities,
chaired by S. Brooks
– Proximal Hazards Working Group
• EOM spacecraft hazard identification, chaired by S.
Edgington
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This document has been reviewed and determined not to contain export controlled technical data.
Saturn/SAMWG – UVIS Thermosphere
Scans
• Not mini-system scans!
• Geometric constraints:
– phase angle < 30°
– range > 12 Rsaturn
– UVIS slit aligned N/S
• Data volume? 380 Mb?
• Duration? 16 hr vs 4-5 hr?
• Anticipate questions regarding justification,
details during Saturn DWG PSG meeting
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This document has been reviewed and determined not to contain export controlled technical data.
Summary
• Summer/Fall 2013 will be highlighted by the
West CAKEs and UVIS system scans.
• S79 begins execution tonight. S80 is in the
middle of implementation; S81 has begun.
• Case 7a to implement the Enceladus tour
tweak has been released for Project
analysis. Project to accept or reject new tour
~October 2013.
• Project work on the EOM orbits is under way.
JPL tiger teams are identifying and studying
processes and problems.
This document has been approved by the Cassini Program for limited release only. Further distribution without authorization is prohibited.
This document has been reviewed and determined not to contain export controlled technical data.