Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 27.  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)
 10/29/2018   10:35:27   ( -79.33,  96.78) 10/29/2018   10:34:23  ( -79.33,  96.75)    0.61                64
 10/29/2018   11:24:46   (  79.59, -93.83) 10/29/2018   11:25:00  (  79.59, -93.89)    1.17                14
 11/01/2018   02:51:54   ( -79.42,-146.77) 11/01/2018   02:51:15  ( -79.42,-146.80)    0.73                39
 11/01/2018   03:41:13   (  79.67,  22.64) 11/01/2018   03:41:52  (  79.67,  22.57)    1.23                39
 11/03/2018   19:08:20   ( -79.54, -30.08) 11/03/2018   19:08:06  ( -79.54, -30.09)    0.29                14
 11/03/2018   19:57:40   (  79.75, 139.08) 11/03/2018   19:58:44  (  79.75, 139.03)    0.91                64
 11/06/2018   10:35:26   (  79.37, -83.01) 11/06/2018   10:34:20  (  79.37, -82.97)    0.79                66
 11/06/2018   11:24:46   ( -79.65,  86.60) 11/06/2018   11:24:57  ( -79.65,  86.63)    0.63                11
 11/09/2018   02:51:51   (  79.48,  33.61) 11/09/2018   02:51:10  (  79.48,  33.70)    1.85                41