Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 2 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)
 02/07/2019   19:08:33   ( -79.63, -29.29) 02/07/2019   19:07:49  ( -79.63, -29.17)    2.46                44
 02/07/2019   19:57:54   (  79.81, 139.68) 02/07/2019   19:58:28  (  79.81, 139.73)    1.00                34
 02/10/2019   11:25:01   ( -79.64,  86.69) 02/10/2019   11:24:42  ( -79.64,  86.63)    1.42                19
 02/10/2019   12:14:22   (  79.82,-104.36) 02/10/2019   12:15:21  (  79.81,-104.49)    2.53                59
 02/13/2019   02:52:06   (  79.53,  34.10) 02/13/2019   02:50:54  (  79.53,  34.17)    1.50                72
 02/13/2019   03:41:27   ( -79.76,-156.54) 02/13/2019   03:41:32  ( -79.76,-156.46)    1.45                 5
 02/15/2019   19:08:35   (  79.53, 150.02) 02/15/2019   19:07:48  (  79.53, 149.94)    1.68                47
 02/15/2019   19:57:56   ( -79.77, -40.60) 02/15/2019   19:58:26  ( -79.76, -40.69)    1.90                30
 02/18/2019   11:25:00   (  79.68, -93.00) 02/18/2019   11:24:37  (  79.69, -92.92)    1.77                23
 02/18/2019   12:14:22   ( -79.88,  76.15) 02/18/2019   12:15:16  ( -79.88,  76.23)    1.47                54
 02/21/2019   02:53:33   ( -75.71,-162.93) 02/21/2019   02:52:19  ( -75.96,-164.25)   45.48                74