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)
 08/21/2019   10:35:30   (  79.16, -84.35) 08/21/2019   10:34:26  (  79.16, -84.32)    0.60                64
 08/21/2019   11:24:51   ( -79.36,  84.57) 08/21/2019   11:25:05  ( -79.35,  84.45)    2.51                14
 08/24/2019   02:51:56   (  79.24,  32.06) 08/24/2019   02:51:18  (  79.24,  32.07)    0.37                38
 08/24/2019   03:41:18   ( -79.44,-159.00) 08/24/2019   03:41:58  ( -79.44,-159.12)    2.64                40
 08/26/2019   19:08:23   (  79.32, 148.44) 08/26/2019   19:08:11  (  79.32, 148.46)    0.59                12
 08/26/2019   19:57:45   ( -79.52, -42.58) 08/26/2019   19:58:51  ( -79.52, -42.69)    2.38                66
 08/29/2019   10:35:32   ( -79.09,  95.22) 08/29/2019   10:34:29  ( -79.09,  95.18)    0.80                63
 08/29/2019   11:24:49   (  79.43, -94.94) 08/29/2019   11:25:03  (  79.44, -94.88)    1.21                14
 09/01/2019   02:51:57   ( -79.24,-147.95) 09/01/2019   02:51:20  ( -79.24,-147.94)    0.31                37
 09/01/2019   03:41:14   (  79.54,  21.68) 09/01/2019   03:41:54  (  79.54,  21.79)    2.27                40
 09/03/2019   19:08:22   ( -79.35, -31.38) 09/03/2019   19:08:11  ( -79.35, -31.31)    1.54                11