Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 16.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2016   10:35:25   ( -79.17,  95.64) 07/19/2016   10:34:52  ( -79.17,  95.65)    0.20                33
 07/19/2016   11:24:42   (  79.51, -94.49) 07/19/2016   11:25:26  (  79.51, -94.37)    2.44                44
 07/22/2016   02:51:48   ( -79.31,-147.58) 07/22/2016   02:51:41  ( -79.31,-147.51)    1.30                 7
 07/22/2016   03:41:09   (  79.49,  21.27) 07/22/2016   03:42:20  (  79.48,  21.14)    2.75                71
 07/24/2016   18:18:54   (  79.07, 159.19) 07/24/2016   18:17:56  (  79.07, 159.20)    0.23                58
 07/24/2016   19:08:16   ( -79.29, -31.83) 07/24/2016   19:08:36  ( -79.28, -31.98)    3.16                20
 07/27/2016   10:35:17   (  79.24, -83.89) 07/27/2016   10:34:45  (  79.25, -83.75)    2.92                32
 07/27/2016   11:24:39   ( -79.45,  85.14) 07/27/2016   11:25:25  ( -79.45,  85.12)    0.43                46
 07/30/2016   02:51:43   (  79.28,  32.26) 07/30/2016   02:51:38  (  79.28,  32.26)    0.11                 5