Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 1.  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)
 12/03/2019   11:25:00   (  79.52, -94.33) 12/03/2019   11:24:35  (  79.52, -94.38)    0.96                25
 12/03/2019   12:14:20   ( -79.78,  75.22) 12/03/2019   12:15:12  ( -79.79,  75.27)    1.10                52
 12/06/2019   03:41:26   (  79.61,  22.16) 12/06/2019   03:41:25  (  79.60,  22.11)    1.00                 1
 12/06/2019   04:29:17   ( -81.80,-135.95) 12/06/2019   04:30:31  ( -81.33,-135.90)   52.91                74
 12/08/2019   19:08:32   ( -79.51, -30.32) 12/08/2019   19:07:37  ( -79.51, -30.19)    2.84                55
 12/08/2019   19:57:53   (  79.69, 138.62) 12/08/2019   19:58:16  (  79.69, 138.59)    0.53                23
 12/11/2019   11:25:01   ( -79.51,  85.58) 12/11/2019   11:24:31  ( -79.50,  85.47)    2.48                30
 12/11/2019   12:14:19   (  79.80,-104.67) 12/11/2019   12:15:06  (  79.80,-104.64)    0.55                47
 12/14/2019   03:41:27   ( -79.62,-157.76) 12/14/2019   03:41:21  ( -79.61,-157.80)    0.93                 6