Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 10 8.  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)
 10/11/2019   02:51:42   (  79.51,  33.84) 10/11/2019   02:51:07  (  79.52,  33.98)    2.78                35
 10/11/2019   03:41:05   ( -79.67,-157.38) 10/11/2019   03:41:48  ( -79.66,-157.49)    2.28                43
 10/13/2019   19:08:06   (  79.57, 150.15) 10/13/2019   19:08:00  (  79.57, 150.17)    0.31                 6
 10/13/2019   19:57:27   ( -79.80, -40.50) 10/13/2019   19:58:38  ( -79.81, -40.43)    1.36                71
 10/16/2019   10:35:11   ( -79.38,  97.07) 10/16/2019   10:34:16  ( -79.37,  97.04)    0.54                55
 10/16/2019   11:24:30   (  79.62, -93.57) 10/16/2019   11:24:53  (  79.62, -93.65)    1.87                23
 10/19/2019   02:51:35   ( -79.43,-146.68) 10/19/2019   02:51:09  ( -79.42,-146.80)    2.39                26
 10/19/2019   03:40:51   (  79.78,  23.51) 10/19/2019   03:41:42  (  79.79,  23.66)    2.94                51
 10/21/2019   18:19:13   (  77.70, 152.32) 10/21/2019   18:17:59  (  77.84, 151.78)   19.81                74