Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 9 13.  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)
 09/14/2019   10:35:28   ( -79.18,  95.76) 09/14/2019   10:34:26  ( -79.18,  95.90)    3.01                62
 09/14/2019   11:24:49   (  79.37, -95.35) 09/14/2019   11:25:05  (  79.36, -95.42)    1.51                16
 09/17/2019   02:51:56   ( -79.25,-147.86) 09/17/2019   02:51:19  ( -79.26,-147.77)    1.86                37
 09/17/2019   03:41:17   (  79.44,  21.03) 09/17/2019   03:41:58  (  79.43,  20.92)    2.38                41
 09/19/2019   19:08:23   ( -79.33, -31.50) 09/19/2019   19:08:11  ( -79.33, -31.44)    1.18                12
 09/19/2019   19:57:44   (  79.51, 137.39) 09/19/2019   19:58:50  (  79.50, 137.26)    2.77                66
 09/22/2019   10:35:33   (  79.03, -85.13) 09/22/2019   10:34:29  (  79.03, -85.20)    1.57                64
 09/22/2019   11:24:51   ( -79.40,  84.85) 09/22/2019   11:25:04  ( -79.40,  84.89)    0.94                13
 09/25/2019   02:51:59   (  79.18,  31.64) 09/25/2019   02:51:20  (  79.17,  31.60)    1.13                39