Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 3.  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)
 12/06/2019   03:41:26   (  79.61,  22.17) 12/06/2019   03:41:25  (  79.61,  22.13)    0.83                 1
 12/06/2019   04:29:16   ( -81.81,-135.53) 12/06/2019   04:30:30  ( -81.33,-135.49)   53.52                74
 12/08/2019   19:08:35   ( -79.39, -31.10) 12/08/2019   19:07:41  ( -79.38, -31.25)    3.07                54
 12/08/2019   19:57:53   (  79.69, 138.63) 12/08/2019   19:58:16  (  79.69, 138.62)    0.21                23
 12/11/2019   11:25:01   ( -79.51,  85.56) 12/11/2019   11:24:31  ( -79.50,  85.48)    1.68                30
 12/11/2019   12:14:19   (  79.80,-104.67) 12/11/2019   12:15:06  (  79.80,-104.61)    1.26                47
 12/14/2019   03:41:27   ( -79.61,-157.79) 12/14/2019   03:41:21  ( -79.62,-157.78)    0.41                 6
 12/14/2019   04:30:48   (  79.79,  11.16) 12/14/2019   04:32:00  (  79.78,  11.01)    3.18                72
 12/16/2019   19:08:32   (  79.44, 149.25) 12/16/2019   19:07:33  (  79.44, 149.26)    0.45                59