Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 8 7.  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)
 08/07/2018   19:08:52   (  79.10, 146.97) 08/07/2018   19:07:56  (  79.10, 146.88)    1.90                56
 08/07/2018   19:58:10   ( -79.45, -43.11) 08/07/2018   19:58:31  ( -79.46, -43.02)    2.00                21
 08/10/2018   11:25:14   (  79.29, -95.93) 08/10/2018   11:24:46  (  79.31, -95.80)    3.08                28
 08/10/2018   12:14:35   ( -79.53,  73.28) 08/10/2018   12:15:25  ( -79.53,  73.32)    0.82                50
 08/13/2018   02:53:42   ( -75.41,-163.93) 08/13/2018   02:52:28  ( -75.63,-165.12)   41.53                74
 08/13/2018   03:41:40   (  79.37,  20.42) 08/13/2018   03:41:41  (  79.37,  20.50)    1.85                 1
 08/15/2018   19:08:47   ( -79.17, -32.61) 08/15/2018   19:08:00  ( -79.16, -32.64)    0.69                47
 08/15/2018   19:58:06   (  79.43, 136.76) 08/15/2018   19:58:36  (  79.44, 136.79)    0.84                30
 08/18/2018   11:25:13   ( -79.24,  83.71) 08/18/2018   11:24:55  ( -79.23,  83.64)    1.45                18
 08/18/2018   12:14:31   (  79.54,-106.65) 08/18/2018   12:15:30  (  79.54,-106.64)    0.25                59
 08/21/2018   02:52:17   (  79.06,  30.83) 08/21/2018   02:51:10  (  79.06,  30.81)    0.31                67