Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 7 18.  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)
 07/20/2019   10:35:34   (  79.09, -84.80) 07/20/2019   10:34:23  (  79.08, -84.92)    2.71                71
 07/20/2019   11:24:53   ( -79.41,  84.91) 07/20/2019   11:24:59  ( -79.40,  84.83)    1.91                 6
 07/23/2019   02:51:59   (  79.25,  32.08) 07/23/2019   02:51:14  (  79.25,  32.07)    0.21                45
 07/23/2019   03:41:19   ( -79.53,-158.41) 07/23/2019   03:41:51  ( -79.53,-158.37)    0.77                32
 07/25/2019   19:08:24   (  79.40, 148.96) 07/25/2019   19:08:05  (  79.41, 149.08)    2.61                19
 07/25/2019   19:57:48   ( -79.53, -42.53) 07/25/2019   19:58:47  ( -79.52, -42.66)    2.68                59
 07/28/2019   10:35:32   ( -79.18,  95.74) 07/28/2019   10:34:22  ( -79.18,  95.81)    1.44                70
 07/28/2019   11:24:52   (  79.40, -95.19) 07/28/2019   11:25:00  (  79.40, -95.23)    0.77                 8
 07/31/2019   02:52:00   ( -79.21,-148.17) 07/31/2019   02:51:17  ( -79.21,-148.24)    1.48                43