Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 10 15.  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)
 10/15/2017   19:08:16   ( -79.65, -29.28) 10/15/2017   19:08:14  ( -79.65, -29.18)    2.04                 2
 10/15/2017   19:55:52   (  81.83, 178.82) 10/15/2017   19:57:05  (  81.28, 178.73)   60.66                73
 10/18/2017   10:35:22   (  79.49, -82.18) 10/18/2017   10:34:29  (  79.49, -82.11)    1.62                53
 10/18/2017   11:24:43   ( -79.72,  87.17) 10/18/2017   11:25:07  ( -79.73,  87.23)    1.23                24
 10/21/2017   02:51:48   (  79.59,  34.44) 10/21/2017   02:51:21  (  79.59,  34.54)    2.01                27
 10/21/2017   03:41:10   ( -79.79,-156.43) 10/21/2017   03:42:00  ( -79.80,-156.37)    1.33                50
 10/23/2017   19:08:17   (  79.58, 150.22) 10/23/2017   19:08:17  (  79.57, 150.07)    3.13                 0
 10/23/2017   19:55:59   ( -81.83,  -4.02) 10/23/2017   19:57:12  ( -81.32,  -3.78)   57.19                73
 10/26/2017   10:35:23   ( -79.42,  97.41) 10/26/2017   10:34:31  ( -79.42,  97.34)    1.41                52
 10/26/2017   11:24:41   (  79.70, -92.98) 10/26/2017   11:25:07  (  79.70, -93.03)    1.02                26
 10/29/2017   02:51:47   ( -79.59,-145.59) 10/29/2017   02:51:21  ( -79.59,-145.53)    1.36                26