Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 8 3.  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)
 08/05/2018   03:41:47   ( -79.28,-160.15) 08/05/2018   03:41:40  ( -79.27,-160.29)    3.03                 7
 08/05/2018   04:31:04   (  79.58,   9.53) 08/05/2018   04:32:14  (  79.58,   9.51)    0.45                70
 08/07/2018   19:08:51   (  79.11, 147.03) 08/07/2018   19:07:55  (  79.11, 146.97)    1.22                56
 08/07/2018   19:58:09   ( -79.47, -43.01) 08/07/2018   19:58:30  ( -79.48, -42.90)    2.41                21
 08/10/2018   11:25:16   (  79.22, -96.40) 08/10/2018   11:24:49  (  79.21, -96.49)    1.97                27
 08/10/2018   12:14:35   ( -79.54,  73.34) 08/10/2018   12:15:25  ( -79.54,  73.43)    1.94                50
 08/13/2018   02:53:27   ( -76.15,-161.73) 08/13/2018   02:52:13  ( -76.34,-162.72)   33.74                74
 08/13/2018   03:41:41   (  79.33,  20.15) 08/13/2018   03:41:43  (  79.32,  20.06)    2.27                 2
 08/15/2018   19:08:46   ( -79.20, -32.40) 08/15/2018   19:07:59  ( -79.21, -32.28)    2.70                47