Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 22.  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)
 10/24/2018   02:51:50   (  79.48,  33.67) 10/24/2018   02:51:14  (  79.49,  33.79)    2.62                36
 10/24/2018   03:41:11   ( -79.72,-156.99) 10/24/2018   03:41:52  ( -79.73,-156.89)    2.04                41
 10/26/2018   19:08:16   (  79.54, 149.98) 10/26/2018   19:08:07  (  79.55, 149.99)    0.34                 9
 10/26/2018   19:57:37   ( -79.78, -40.65) 10/26/2018   19:58:45  ( -79.78, -40.66)    0.30                68
 10/29/2018   10:35:23   ( -79.35,  96.91) 10/29/2018   10:34:23  ( -79.35,  96.85)    1.35                60
 10/29/2018   11:24:42   (  79.60, -93.74) 10/29/2018   11:25:00  (  79.60, -93.81)    1.51                18
 11/01/2018   02:51:49   ( -79.41,-146.84) 11/01/2018   02:51:16  ( -79.40,-146.97)    2.73                33
 11/01/2018   03:41:08   (  79.65,  22.52) 11/01/2018   03:41:53  (  79.65,  22.38)    2.92                45
 11/03/2018   19:08:10   ( -79.61, -29.56) 11/03/2018   19:08:03  ( -79.62, -29.43)    2.77                 7