Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 11 15.  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)
 11/16/2017   19:08:26   ( -79.64, -29.27) 11/16/2017   19:08:11  ( -79.65, -29.19)    1.51                15
 11/16/2017   19:57:47   (  79.82, 139.68) 11/16/2017   19:58:50  (  79.81, 139.63)    0.90                63
 11/19/2017   10:35:35   (  79.39, -82.83) 11/19/2017   10:34:28  (  79.38, -82.91)    1.78                67
 11/19/2017   11:24:55   ( -79.66,  86.77) 11/19/2017   11:25:05  ( -79.67,  86.76)    0.27                10
 11/22/2017   02:52:01   (  79.48,  33.67) 11/22/2017   02:51:19  (  79.47,  33.54)    2.95                42
 11/22/2017   03:41:21   ( -79.75,-156.70) 11/22/2017   03:41:56  ( -79.75,-156.74)    1.05                35
 11/24/2017   19:08:25   (  79.67, 150.95) 11/24/2017   19:08:07  (  79.68, 151.09)    3.04                18
 11/24/2017   19:57:49   ( -79.80, -40.47) 11/24/2017   19:58:49  ( -79.80, -40.53)    1.19                60
 11/27/2017   10:35:34   ( -79.46,  97.72) 11/27/2017   10:34:24  ( -79.46,  97.74)    0.48                70