Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 4.  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   03:41:27   (  79.60,  22.11) 12/06/2019   03:41:26  (  79.60,  22.07)    0.95                 1
 12/06/2019   04:29:17   ( -81.81,-135.62) 12/06/2019   04:30:31  ( -81.33,-135.59)   53.38                74
 12/08/2019   19:08:32   ( -79.50, -30.38) 12/08/2019   19:07:37  ( -79.51, -30.24)    2.97                55
 12/08/2019   19:57:53   (  79.68, 138.58) 12/08/2019   19:58:16  (  79.68, 138.56)    0.50                23
 12/11/2019   11:25:01   ( -79.50,  85.53) 12/11/2019   11:24:31  ( -79.49,  85.42)    2.41                30
 12/11/2019   12:14:19   (  79.79,-104.70) 12/11/2019   12:15:06  (  79.79,-104.67)    0.54                47
 12/14/2019   03:41:27   ( -79.61,-157.80) 12/14/2019   03:41:21  ( -79.61,-157.84)    0.95                 6
 12/14/2019   04:30:46   (  79.86,  11.72) 12/14/2019   04:31:57  (  79.87,  11.81)    1.92                71
 12/16/2019   19:08:34   (  79.41, 149.01) 12/16/2019   19:07:35  (  79.40, 148.93)    1.67                59