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THEMIS Orbits: Transitions
Between the dayside and nightside phases of the mission, the five spacecraft will conduct orbit change maneuvers over a period of three months. During this visualization, the camera position is locked in GSE coordinates, keeping the Sun to the left. The orbital axis is actually fixed in space but appears to move due to the Earth's motion around the Sun. The dates in this visualization are based on an ephemeris assuming a launch on January 20, 2007. The satellites are represented by the colors: red=P1, green=P2, cyan=P3, blue=P4, magenta=P5.

This movie illustrates the three months of orbital maneuvers which transition the five satellites from their dayside science to nightside science configuration.    This movie illustrates the three months of orbital maneuvers which transition the five satellites from their dayside science to nightside science configuration.
Duration: 2.0 seconds
Available formats:
  320x240 (30 fps) MPEG-1   10 MB
  640x480 (30 fps) MPEG-1   25 MB
  720x480 (30 fps) MPEG-2   27 MB
  320x213     PNG           26 KB
  160x80       PNG           6 KB
  80x40         PNG           2 KB
  720x486 (29.97 fps) Frames (THEMIS transition date)
  320x240 (30 fps) X-FLV       2 MB
How to play our movies


This movie is the same as above with no date stamp.    This movie is the same as above with no date stamp.
Duration: 2.0 seconds
Available formats:
  640x480 (30 fps) MPEG-1   23 MB
  720x480 (30 fps) MPEG-2   25 MB
  320x240 (30 fps) MPEG-1   9 MB
  720x486 (29.97 fps) Frames (THEMIS transition nodate)
  320x240     PNG           7 KB
  320x240 (30 fps) X-FLV       2 MB
How to play our movies


The five THEMIS spacecraft still in their dayside orbital configuration.    The five THEMIS spacecraft still in their dayside orbital configuration.

Available formats:
  2560 x 1920     TIFF   353 KB
  320 x 240         PNG         6 KB


This image is the same as above with no date stamp.    This image is the same as above with no date stamp.

Available formats:
  2560 x 1920     TIFF   151 KB
  320 x 240         PNG         3 KB


The orbital changes begin. P1 is in the first phase of raising its apogee.    The orbital changes begin. P1 is in the first phase of raising its apogee.

Available formats:
  2560 x 1920     TIFF   545 KB
  320 x 240         PNG       15 KB


This image is the same as above with no date stamp.    This image is the same as above with no date stamp.

Available formats:
  2560 x 1920     TIFF   346 KB
  320 x 240         PNG       12 KB


P1 boosts its apogee even higher.    P1 boosts its apogee even higher.

Available formats:
  2560 x 1920     TIFF   557 KB
  320 x 240         PNG       16 KB


This image is the same as above with no date stamp.    This image is the same as above with no date stamp.

Available formats:
  2560 x 1920     TIFF   354 KB
  320 x 240         PNG       13 KB


P5 is still in a high orbit.    P5 is still in a high orbit.

Available formats:
  2560 x 1920     TIFF   541 KB
  320 x 240         PNG       15 KB


This image is the same as above with no date stamp.    This image is the same as above with no date stamp.

Available formats:
  2560 x 1920     TIFF   344 KB
  320 x 240         PNG       12 KB


P5 lowers its apogee to sample the space near the Earth.    P5 lowers its apogee to sample the space near the Earth.

Available formats:
  2560 x 1920     TIFF   549 KB
  320 x 240         PNG       15 KB


This image is the same as above with no date stamp.    This image is the same as above with no date stamp.

Available formats:
  2560 x 1920     TIFF   350 KB
  320 x 240         PNG       12 KB

Animation Number:3394
Completed:2006-12-11
Animator:Tom Bridgman (GST) (Lead)
Scientists:Vassilis Angelopoulos (University of California, Berkeley)
 David G. Sibeck (NASA/GSFC)
Platform/Sensor/Data Set:SSCweb (2008/09/07T00:00:00 - 2007/12/20T01:00:00)
Series:THEMIS Pre-launch
Keywords:
SVS >> Geomagnetic Field
SVS >> Magnetosphere
SVS >> Solar Wind
 
 
Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio


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