Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 8 20.  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)
 08/21/2019   10:35:30   (  79.14, -84.50) 08/21/2019   10:34:26  (  79.14, -84.47)    0.56                64
 08/21/2019   11:24:51   ( -79.38,  84.68) 08/21/2019   11:25:05  ( -79.37,  84.56)    2.59                14
 08/24/2019   02:51:57   (  79.22,  31.91) 08/24/2019   02:51:19  (  79.22,  31.91)    0.22                38
 08/24/2019   03:41:18   ( -79.46,-158.88) 08/24/2019   03:41:58  ( -79.45,-159.01)    2.91                40
 08/26/2019   19:08:23   (  79.34, 148.55) 08/26/2019   19:08:11  (  79.34, 148.56)    0.27                12
 08/26/2019   19:57:45   ( -79.54, -42.45) 08/26/2019   19:58:51  ( -79.53, -42.59)    2.97                66
 08/29/2019   10:35:32   ( -79.07,  95.10) 08/29/2019   10:34:29  ( -79.07,  95.02)    1.79                63
 08/29/2019   11:24:49   (  79.41, -95.07) 08/29/2019   11:25:03  (  79.41, -95.05)    0.23                14
 09/01/2019   02:51:58   ( -79.19,-148.31) 09/01/2019   02:51:21  ( -79.18,-148.37)    1.39                37