Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 8 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)
 08/26/2017   02:51:51   ( -79.12,-148.70) 08/26/2017   02:51:11  ( -79.11,-148.83)    2.91                40
 08/26/2017   03:41:09   (  79.43,  20.97) 08/26/2017   03:41:46  (  79.43,  20.92)    1.04                37
 08/28/2017   19:08:15   ( -79.32, -31.57) 08/28/2017   19:08:02  ( -79.33, -31.44)    3.09                13
 08/28/2017   19:57:36   (  79.51, 137.36) 08/28/2017   19:58:41  (  79.51, 137.30)    1.20                65
 08/31/2017   10:35:23   (  79.07, -84.88) 08/31/2017   10:34:21  (  79.07, -84.89)    0.25                62
 08/31/2017   11:24:44   ( -79.31,  84.28) 08/31/2017   11:25:00  ( -79.30,  84.14)    3.18                16
 09/03/2017   02:51:49   (  79.18,  31.67) 09/03/2017   02:51:15  (  79.18,  31.69)    0.55                34
 09/03/2017   03:41:10   ( -79.42,-159.13) 09/03/2017   03:41:54  ( -79.41,-159.25)    2.59                44
 09/05/2017   19:08:13   (  79.32, 148.46) 09/05/2017   19:08:07  (  79.33, 148.54)    1.69                 6
 09/05/2017   19:57:35   ( -79.52, -42.56) 09/05/2017   19:58:47  ( -79.52, -42.63)    1.51                72
 09/08/2017   10:35:21   ( -79.11,  95.38) 09/08/2017   10:34:26  ( -79.12,  95.41)    0.65                55