Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 8 18.  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   (  79.12, -84.57) 08/21/2019   10:34:26  (  79.13, -84.55)    0.52                64
 08/21/2019   11:24:51   ( -79.37,  84.61) 08/21/2019   11:25:05  ( -79.36,  84.49)    2.66                14
 08/24/2019   02:51:57   (  79.21,  31.84) 08/24/2019   02:51:19  (  79.21,  31.84)    0.26                38
 08/24/2019   03:41:18   ( -79.45,-158.94) 08/24/2019   03:41:58  ( -79.44,-159.08)    3.05                40
 08/26/2019   19:08:23   (  79.33, 148.49) 08/26/2019   19:08:11  (  79.33, 148.49)    0.26                12
 08/26/2019   19:57:45   ( -79.53, -42.51) 08/26/2019   19:58:51  ( -79.52, -42.65)    3.17                66
 08/29/2019   10:35:33   ( -79.06,  95.06) 08/29/2019   10:34:30  ( -79.06,  94.97)    2.06                63
 08/29/2019   11:24:50   (  79.41, -95.11) 08/29/2019   11:25:04  (  79.41, -95.12)    0.08                14
 09/01/2019   02:51:58   ( -79.18,-148.33) 09/01/2019   02:51:21  ( -79.18,-148.41)    1.74                37