Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 2 12.  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)
 02/13/2019   02:52:44   (  78.10,  25.90) 02/13/2019   02:51:30  (  78.23,  25.43)   18.04                74
 02/13/2019   03:41:30   ( -79.76,-156.56) 02/13/2019   03:41:32  ( -79.77,-156.42)    2.93                 2
 02/15/2019   19:08:40   (  79.51, 149.84) 02/15/2019   19:07:49  (  79.50, 149.73)    2.30                51
 02/15/2019   19:58:01   ( -79.74, -40.82) 02/15/2019   19:58:27  ( -79.74, -40.93)    2.48                26
 02/18/2019   11:25:06   (  79.63, -93.39) 02/18/2019   11:24:38  (  79.63, -93.42)    0.84                28
 02/18/2019   12:14:28   ( -79.83,  75.73) 02/18/2019   12:15:17  ( -79.83,  75.68)    1.09                49
 02/21/2019   03:41:34   (  79.72,  23.11) 02/21/2019   03:41:29  (  79.72,  23.16)    1.05                 5
 02/21/2019   04:30:56   ( -79.91,-167.74) 02/21/2019   04:32:08  ( -79.91,-167.70)    0.71                72
 02/23/2019   19:08:44   ( -79.52, -30.11) 02/23/2019   19:07:45  ( -79.51, -30.22)    2.44                59