Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 9 6.  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)
 09/09/2019   02:51:55   (  79.25,  32.09) 09/09/2019   02:51:19  (  79.25,  32.13)    0.74                36
 09/09/2019   03:41:17   ( -79.45,-158.96) 09/09/2019   03:41:59  ( -79.44,-159.06)    2.23                42
 09/11/2019   19:08:22   (  79.26, 148.08) 09/11/2019   19:08:13  (  79.25, 147.94)    3.06                 9
 09/11/2019   19:57:41   ( -79.58, -42.16) 09/11/2019   19:58:49  ( -79.58, -42.14)    0.32                68
 09/14/2019   10:35:30   ( -79.05,  94.98) 09/14/2019   10:34:30  ( -79.04,  94.88)    2.25                60
 09/14/2019   11:24:47   (  79.39, -95.20) 09/14/2019   11:25:04  (  79.39, -95.19)    0.13                17
 09/17/2019   02:51:54   ( -79.22,-148.09) 09/17/2019   02:51:20  ( -79.22,-148.04)    1.11                34
 09/17/2019   03:41:14   (  79.44,  21.00) 09/17/2019   03:41:58  (  79.43,  20.87)    2.72                44
 09/19/2019   19:08:21   ( -79.26, -31.92) 09/19/2019   19:08:14  ( -79.26, -31.99)    1.47                 7