Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 10.  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)
 12/11/2019   11:25:01   ( -79.50,  85.56) 12/11/2019   11:24:31  ( -79.50,  85.44)    2.54                30
 12/11/2019   12:14:20   (  79.76,-104.92) 12/11/2019   12:15:07  (  79.76,-104.91)    0.28                47
 12/14/2019   03:41:27   ( -79.62,-157.76) 12/14/2019   03:41:21  ( -79.61,-157.81)    1.16                 6
 12/14/2019   04:30:46   (  79.87,  11.79) 12/14/2019   04:31:57  (  79.87,  11.87)    1.61                71
 12/16/2019   19:08:34   (  79.42, 149.09) 12/16/2019   19:07:35  (  79.41, 148.99)    1.99                59
 12/16/2019   19:57:53   ( -79.72, -41.10) 12/16/2019   19:58:11  ( -79.72, -41.06)    0.80                18
 12/19/2019   11:24:58   (  79.56, -94.06) 12/19/2019   11:24:23  (  79.56, -94.04)    0.37                35
 12/19/2019   12:14:18   ( -79.82,  75.55) 12/19/2019   12:15:00  ( -79.83,  75.71)    3.17                42
 12/22/2019   03:41:24   (  79.66,  22.53) 12/22/2019   03:41:13  (  79.67,  22.67)    3.06                11