Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 8 31.  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)
 08/31/2018   19:08:40   ( -79.25, -32.11) 08/31/2018   19:08:07  ( -79.25, -32.00)    2.31                33
 08/31/2018   19:58:02   (  79.40, 136.57) 08/31/2018   19:58:47  (  79.39, 136.43)    3.17                45
 09/03/2018   11:25:08   ( -79.27,  83.95) 09/03/2018   11:25:03  ( -79.28,  83.97)    0.51                 5
 09/03/2018   12:14:27   (  79.54,-106.59) 09/03/2018   12:15:39  (  79.55,-106.52)    1.72                72
 09/06/2018   02:52:14   (  79.10,  31.08) 09/06/2018   02:51:19  (  79.10,  31.13)    1.15                55
 09/06/2018   03:41:35   ( -79.34,-159.76) 09/06/2018   03:41:58  ( -79.34,-159.81)    1.04                23
 09/08/2018   19:08:39   (  79.20, 147.57) 09/08/2018   19:08:12  (  79.20, 147.58)    0.27                27
 09/08/2018   19:58:00   ( -79.44, -43.23) 09/08/2018   19:58:51  ( -79.43, -43.32)    2.13                51
 09/11/2018   10:37:27   ( -74.30,  77.36) 09/11/2018   10:36:13  ( -74.57,  75.96)   50.97                74
 09/11/2018   11:25:05   (  79.29, -95.95) 09/11/2018   11:25:06  (  79.29, -95.96)    0.24                 1
 09/14/2018   02:52:14   ( -79.04,-149.30) 09/14/2018   02:51:26  ( -79.03,-149.41)    2.61                48