Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 6 30.  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)
 07/03/2016   10:35:29   ( -79.20,  95.83) 07/03/2016   10:34:56  ( -79.21,  95.92)    2.08                33
 07/03/2016   11:24:49   (  79.42, -95.06) 07/03/2016   11:25:34  (  79.42, -95.12)    1.28                45
 07/06/2016   02:51:57   ( -79.22,-148.13) 07/06/2016   02:51:50  ( -79.22,-148.20)    1.63                 7
 07/06/2016   03:41:14   (  79.56,  21.75) 07/06/2016   03:42:24  (  79.56,  21.82)    1.40                70
 07/08/2016   18:19:03   (  79.03, 158.91) 07/08/2016   18:18:04  (  79.03, 158.88)    0.80                59
 07/08/2016   19:08:21   ( -79.40, -31.10) 07/08/2016   19:08:39  ( -79.40, -31.03)    1.52                18
 07/11/2016   10:35:26   (  79.24, -83.89) 07/11/2016   10:34:52  (  79.25, -83.76)    2.69                34
 07/11/2016   11:24:49   ( -79.42,  84.88) 07/11/2016   11:25:33  ( -79.41,  84.83)    1.25                44
 07/14/2016   02:51:53   (  79.25,  32.06) 07/14/2016   02:51:45  (  79.26,  32.06)    0.36                 8