Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 8 21.  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)
 08/24/2019   02:51:56   (  79.24,  32.03) 08/24/2019   02:51:18  (  79.24,  32.05)    0.31                38
 08/24/2019   03:41:18   ( -79.44,-159.02) 08/24/2019   03:41:58  ( -79.43,-159.15)    2.68                40
 08/26/2019   19:08:23   (  79.32, 148.42) 08/26/2019   19:08:11  (  79.32, 148.44)    0.53                12
 08/26/2019   19:57:45   ( -79.52, -42.60) 08/26/2019   19:58:51  ( -79.51, -42.72)    2.44                66
 08/29/2019   10:35:32   ( -79.09,  95.20) 08/29/2019   10:34:29  ( -79.09,  95.16)    0.88                63
 08/29/2019   11:24:49   (  79.43, -94.95) 08/29/2019   11:25:03  (  79.43, -94.90)    1.13                14
 09/01/2019   02:51:57   ( -79.24,-147.96) 09/01/2019   02:51:20  ( -79.24,-147.96)    0.27                37
 09/01/2019   03:41:15   (  79.54,  21.67) 09/01/2019   03:41:55  (  79.54,  21.78)    2.17                40
 09/03/2019   19:08:22   ( -79.35, -31.38) 09/03/2019   19:08:11  ( -79.35, -31.31)    1.42                11