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There is a problem with the motor controlling the High Gain Antenna on the SOHO spacecraft. Science data coverage may be less than complete for 1-2 weeks every 90 days (when the spacecraft gets 'flipped'). The next "keyhole" period can be found in this table. |
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Most Recent Shock Candidates: |
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| Date | UT | day of year | F/R | Zone | Confidence Level | |
| 15 Jan 2015 | 0306 | 15 | fwd | 1 | 42% | |
| 10 Jan 2015 | 0951 | 10 | fwd | 2 | 68% | |
| 8 Jan 2015 | 1605 | 8 | fwd | 1 | 42% | |
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| The Proton Monitor (PM) is one of the scientific sensors on the SOHO spacecraft. | What's being plotted?? |
| the PM sensor | |
| the SOHO Spacecraft |
| The predicted position of the SOHO spacecraft
in the GSE coordinate system (X,Y,Z) in Earth radii
at 2130 GMT on Jan 28, 2015: |
Daily Orbit Data: Launch through 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 2009 2010 2011 2012 2013 2014 2015 |
| ( 216, -102, -3) |
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