Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 9 25.  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)
 09/27/2019   19:08:27   (  79.23, 147.90) 09/27/2019   19:08:13  (  79.23, 147.82)    1.66                14
 09/27/2019   19:57:46   ( -79.55, -42.35) 09/27/2019   19:58:49  ( -79.55, -42.32)    0.64                63
 09/30/2019   10:35:34   ( -79.10,  95.32) 09/30/2019   10:34:27  ( -79.11,  95.42)    2.30                67
 09/30/2019   11:24:54   (  79.33, -95.60) 09/30/2019   11:25:05  (  79.33, -95.64)    0.87                11
 10/03/2019   02:51:59   ( -79.24,-147.95) 10/03/2019   02:51:17  ( -79.25,-147.81)    3.11                42
 10/03/2019   03:41:19   (  79.46,  21.14) 10/03/2019   03:41:55  (  79.46,  21.16)    0.39                36
 10/05/2019   19:08:29   ( -79.22, -32.23) 10/05/2019   19:08:13  ( -79.21, -32.33)    2.11                16
 10/05/2019   19:57:46   (  79.55, 137.63) 10/05/2019   19:58:47  (  79.55, 137.71)    1.79                61
 10/08/2019   10:35:36   (  79.01, -85.28) 10/08/2019   10:34:28  (  79.00, -85.35)    1.68                68