Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 9 14.  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)
 09/17/2019   02:51:56   ( -79.24,-147.98) 09/17/2019   02:51:19  ( -79.24,-147.90)    1.72                37
 09/17/2019   03:41:17   (  79.43,  20.91) 09/17/2019   03:41:58  (  79.42,  20.79)    2.51                41
 09/19/2019   19:08:24   ( -79.31, -31.62) 09/19/2019   19:08:12  ( -79.31, -31.58)    0.73                12
 09/19/2019   19:57:45   (  79.50, 137.27) 09/19/2019   19:58:51  (  79.49, 137.12)    3.21                66
 09/22/2019   10:35:34   (  79.01, -85.23) 09/22/2019   10:34:30  (  79.01, -85.34)    2.46                64
 09/22/2019   11:24:52   ( -79.38,  84.73) 09/22/2019   11:25:05  ( -79.38,  84.73)    0.12                13
 09/25/2019   02:52:00   (  79.12,  31.31) 09/25/2019   02:51:21  (  79.11,  31.19)    2.65                39
 09/25/2019   03:41:19   ( -79.45,-158.94) 09/25/2019   03:41:57  ( -79.45,-158.95)    0.37                38
 09/27/2019   19:08:27   (  79.23, 147.83) 09/27/2019   19:08:13  (  79.22, 147.72)    2.56                14