Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 9 17.  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)
 09/19/2019   19:08:24   ( -79.30, -31.68) 09/19/2019   19:08:12  ( -79.30, -31.64)    0.80                12
 09/19/2019   19:57:45   (  79.49, 137.22) 09/19/2019   19:58:51  (  79.48, 137.07)    3.11                66
 09/22/2019   10:35:33   (  79.05, -85.04) 09/22/2019   10:34:29  (  79.04, -85.14)    2.32                64
 09/22/2019   11:24:52   ( -79.37,  84.67) 09/22/2019   11:25:05  ( -79.37,  84.67)    0.13                13
 09/25/2019   02:52:01   (  79.11,  31.25) 09/25/2019   02:51:22  (  79.11,  31.14)    2.51                39
 09/25/2019   03:41:20   ( -79.44,-159.00) 09/25/2019   03:41:58  ( -79.44,-159.02)    0.31                38
 09/27/2019   19:08:27   (  79.22, 147.78) 09/27/2019   19:08:13  (  79.21, 147.66)    2.41                14
 09/27/2019   19:57:46   ( -79.54, -42.43) 09/27/2019   19:58:49  ( -79.54, -42.44)    0.47                63
 09/30/2019   10:35:34   ( -79.10,  95.26) 09/30/2019   10:34:27  ( -79.10,  95.31)    0.97                67