Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 16.  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)
 10/18/2018   19:08:21   ( -79.57, -29.86) 10/18/2018   19:08:09  ( -79.57, -29.77)    1.74                12
 10/18/2018   19:57:40   (  79.78, 139.33) 10/18/2018   19:58:46  (  79.79, 139.40)    1.48                66
 10/21/2018   10:35:27   (  79.32, -83.32) 10/21/2018   10:34:25  (  79.32, -83.36)    0.86                62
 10/21/2018   11:24:47   ( -79.60,  86.26) 10/21/2018   11:25:02  ( -79.60,  86.19)    1.49                15
 10/24/2018   02:51:50   (  79.50,  33.78) 10/24/2018   02:51:14  (  79.51,  33.91)    2.90                36
 10/24/2018   03:41:11   ( -79.74,-156.85) 10/24/2018   03:41:52  ( -79.75,-156.74)    2.23                41
 10/26/2018   19:08:16   (  79.56, 150.07) 10/26/2018   19:08:07  (  79.56, 150.11)    0.73                 9
 10/26/2018   19:57:38   ( -79.76, -40.79) 10/26/2018   19:58:46  ( -79.77, -40.80)    0.23                68
 10/29/2018   10:35:23   ( -79.37,  97.02) 10/29/2018   10:34:23  ( -79.37,  96.98)    0.91                60