Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2011 12 17.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/18/2011   19:07:57   ( -79.66, -28.69) ( -79.67, -28.56)    2.66                10
 12/18/2011   19:57:19   (  79.82, 140.13) (  79.82, 140.13)    0.22                68
 12/21/2011   10:35:17   (  79.27, -83.24) (  79.28, -83.34)    2.31                73
 12/21/2011   11:24:35   ( -79.62,  86.80) ( -79.61,  86.70)    2.15                 4
 12/24/2011   02:51:52   (  79.51,  34.22) (  79.51,  34.34)    2.48                64
 12/24/2011   03:41:13   ( -79.74,-156.45) ( -79.74,-156.36)    1.97                13
 12/26/2011   19:08:36   (  79.54, 150.28) (  79.55, 150.42)    2.96                58
 12/26/2011   19:57:58   ( -79.74, -40.64) ( -79.75, -40.54)    2.21                19
 12/29/2011   11:25:26   (  79.49, -94.31) (  79.49, -94.33)    0.45                55