Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 10 25.  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)
 10/26/2017   10:35:22   ( -79.49,  97.88) 10/26/2017   10:34:29  ( -79.49,  97.99)    2.16                53
 10/26/2017   11:24:42   (  79.70, -92.95) 10/26/2017   11:25:07  (  79.71, -92.89)    1.31                25
 10/29/2017   02:51:50   ( -79.50,-146.14) 10/29/2017   02:51:24  ( -79.50,-146.23)    1.97                26
 10/29/2017   03:41:10   (  79.71,  23.00) 10/29/2017   03:42:02  (  79.71,  22.87)    2.75                52
 10/31/2017   18:21:16   (  72.56, 137.88) 10/31/2017   18:20:03  (  72.88, 135.95)   72.90                73
 10/31/2017   19:08:13   ( -79.66, -29.17) 10/31/2017   19:08:13  ( -79.66, -29.10)    1.43                 0
 11/03/2017   10:35:19   (  79.44, -82.43) 11/03/2017   10:34:29  (  79.44, -82.46)    0.64                50
 11/03/2017   11:24:40   ( -79.69,  86.95) 11/03/2017   11:25:07  ( -79.69,  86.93)    0.46                27
 11/06/2017   02:51:44   (  79.54,  34.14) 11/06/2017   02:51:21  (  79.53,  34.07)    1.60                23