Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 7 28.  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)
 07/30/2017   11:24:46   ( -79.33,  84.39) 07/30/2017   11:24:32  ( -79.34,  84.47)    1.87                14
 07/30/2017   12:14:06   (  79.55,-106.48) 07/30/2017   12:15:10  (  79.55,-106.54)    1.41                64
 08/02/2017   02:51:52   (  79.16,  31.51) 08/02/2017   02:50:49  (  79.16,  31.59)    1.64                63
 08/02/2017   03:41:14   ( -79.37,-159.50) 08/02/2017   03:41:29  ( -79.36,-159.58)    1.93                15
 08/04/2017   19:08:20   (  79.19, 147.58) 08/04/2017   19:07:46  (  79.18, 147.50)    1.90                34
 08/04/2017   19:57:39   ( -79.51, -42.63) 08/04/2017   19:58:22  ( -79.52, -42.58)    1.07                43
 08/07/2017   11:24:45   (  79.33, -95.61) 08/07/2017   11:24:39  (  79.34, -95.56)    1.39                 6
 08/07/2017   12:14:07   ( -79.54,  73.43) 08/07/2017   12:15:19  ( -79.53,  73.34)    1.90                72
 08/10/2017   02:51:51   ( -79.17,-148.38) 08/10/2017   02:50:56  ( -79.18,-148.28)    2.45                55