Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2011 12 22.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2011   02:51:37   (  79.51,  34.29) (  79.51,  34.34)    0.92                49
 12/24/2011   03:40:58   ( -79.73,-156.43) ( -79.74,-156.41)    0.43                28
 12/26/2011   19:08:06   (  79.54, 150.41) (  79.54, 150.32)    2.02                29
 12/26/2011   19:57:27   ( -79.77, -40.29) ( -79.76, -40.40)    2.35                48
 12/29/2011   11:24:34   (  79.62, -93.13) (  79.63, -93.15)    0.39                 9
 12/29/2011   12:13:55   ( -79.85,  76.20) ( -79.85,  76.18)    0.42                68
 01/01/2012   02:51:41   ( -79.49,-145.84) ( -79.50,-145.78)    1.29                66
 01/01/2012   03:41:01   (  79.71,  23.40) (  79.71,  23.38)    0.40                12
 01/03/2012   19:08:08   ( -79.55, -29.52) ( -79.55, -29.54)    0.48                44