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   (  78.08,  25.84) 02/13/2019   02:51:30  (  78.21,  25.36)   18.21                74
 02/13/2019   03:41:30   ( -79.75,-156.65) 02/13/2019   03:41:32  ( -79.76,-156.51)    2.90                 2
 02/15/2019   19:08:40   (  79.50, 149.76) 02/15/2019   19:07:49  (  79.49, 149.64)    2.36                51
 02/15/2019   19:58:01   ( -79.73, -40.90) 02/15/2019   19:58:27  ( -79.73, -41.03)    2.54                26
 02/18/2019   11:25:07   (  79.62, -93.47) 02/18/2019   11:24:39  (  79.62, -93.51)    0.88                28
 02/18/2019   12:14:29   ( -79.82,  75.65) 02/18/2019   12:15:18  ( -79.82,  75.59)    1.19                49
 02/21/2019   03:41:34   (  79.71,  23.03) 02/21/2019   03:41:29  (  79.71,  23.07)    0.96                 5
 02/21/2019   04:30:56   ( -79.90,-167.82) 02/21/2019   04:32:08  ( -79.90,-167.80)    0.62                72
 02/23/2019   19:08:44   ( -79.50, -30.18) 02/23/2019   19:07:45  ( -79.50, -30.30)    2.60                59
 02/23/2019   19:58:01   (  79.82, 139.79) 02/23/2019   19:58:19  (  79.83, 139.94)    3.10                18
 02/26/2019   11:25:11   ( -79.62,  86.53) 02/26/2019   11:24:35  ( -79.62,  86.52)    0.18                36