Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 7.  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)
 12/08/2019   19:08:33   ( -79.49, -30.41) 12/08/2019   19:07:38  ( -79.50, -30.28)    2.79                55
 12/08/2019   19:57:54   (  79.68, 138.57) 12/08/2019   19:58:17  (  79.68, 138.53)    0.70                23
 12/11/2019   11:25:01   ( -79.50,  85.52) 12/11/2019   11:24:31  ( -79.49,  85.39)    2.76                30
 12/11/2019   12:14:20   (  79.76,-104.98) 12/11/2019   12:15:07  (  79.76,-104.98)    0.29                47
 12/14/2019   03:41:27   ( -79.61,-157.80) 12/14/2019   03:41:21  ( -79.61,-157.86)    1.53                 6
 12/14/2019   04:30:46   (  79.86,  11.74) 12/14/2019   04:31:57  (  79.87,  11.80)    1.35                71
 12/16/2019   19:08:34   (  79.41, 149.05) 12/16/2019   19:07:35  (  79.40, 148.94)    2.46                59
 12/16/2019   19:57:54   ( -79.68, -41.39) 12/16/2019   19:58:12  ( -79.69, -41.38)    0.29                18
 12/19/2019   11:25:00   (  79.52, -94.33) 12/19/2019   11:24:25  (  79.52, -94.35)    0.49                35