Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 8 2.  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)
 08/04/2017   19:08:20   (  79.18, 147.56) 08/04/2017   19:07:46  (  79.18, 147.47)    1.98                34
 08/04/2017   19:57:39   ( -79.50, -42.69) 08/04/2017   19:58:22  ( -79.51, -42.64)    1.12                43
 08/07/2017   11:24:45   (  79.33, -95.62) 08/07/2017   11:24:39  (  79.34, -95.57)    1.10                 6
 08/07/2017   12:14:07   ( -79.53,  73.40) 08/07/2017   12:15:19  ( -79.53,  73.30)    2.08                72
 08/10/2017   02:51:52   ( -79.17,-148.39) 08/10/2017   02:50:57  ( -79.18,-148.31)    1.91                55
 08/10/2017   03:41:12   (  79.39,  20.68) 08/10/2017   03:41:35  (  79.39,  20.60)    1.96                23
 08/12/2017   19:08:18   ( -79.24, -32.11) 08/12/2017   19:07:52  ( -79.23, -32.14)    0.81                26
 08/12/2017   19:57:36   (  79.53, 137.50) 08/12/2017   19:58:27  (  79.54, 137.58)    1.71                51
 08/15/2017   10:36:17   (  76.70, -95.74) 08/15/2017   10:35:03  (  76.87, -96.50)   27.08                74