Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 8 23.  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)
 08/23/2017   10:35:25   ( -79.03,  94.89) 08/23/2017   10:34:17  ( -79.03,  94.81)    2.06                68
 08/23/2017   11:24:43   (  79.35, -95.48) 08/23/2017   11:24:52  (  79.35, -95.50)    0.36                 9
 08/26/2017   02:51:52   ( -79.12,-148.71) 08/26/2017   02:51:12  ( -79.11,-148.83)    2.78                40
 08/26/2017   03:41:10   (  79.43,  20.94) 08/26/2017   03:41:47  (  79.43,  20.89)    0.89                37
 08/28/2017   19:08:17   ( -79.24, -32.09) 08/28/2017   19:08:05  ( -79.23, -32.22)    2.80                12
 08/28/2017   19:57:35   (  79.54, 137.59) 08/28/2017   19:58:40  (  79.54, 137.56)    0.71                65
 08/31/2017   10:35:22   (  79.10, -84.68) 08/31/2017   10:34:20  (  79.11, -84.64)    0.86                62
 08/31/2017   11:24:43   ( -79.35,  84.50) 08/31/2017   11:24:59  ( -79.34,  84.41)    2.10                16
 09/03/2017   02:51:47   (  79.25,  32.11) 09/03/2017   02:51:13  (  79.26,  32.22)    2.41                34
 09/03/2017   03:41:09   ( -79.45,-158.92) 09/03/2017   03:41:53  ( -79.45,-158.95)    0.66                44
 09/05/2017   19:08:15   (  79.27, 148.13) 09/05/2017   19:08:10  (  79.26, 148.05)    1.69                 5