Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 11.  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)
 12/14/2019   03:41:27   ( -79.62,-157.76) 12/14/2019   03:41:21  ( -79.61,-157.80)    1.07                 6
 12/14/2019   04:30:46   (  79.87,  11.80) 12/14/2019   04:31:57  (  79.87,  11.89)    1.70                71
 12/16/2019   19:08:34   (  79.42, 149.10) 12/16/2019   19:07:35  (  79.41, 149.01)    1.80                59
 12/16/2019   19:57:53   ( -79.72, -41.09) 12/16/2019   19:58:11  ( -79.72, -41.04)    0.96                18
 12/19/2019   11:24:58   (  79.56, -94.04) 12/19/2019   11:24:23  (  79.56, -94.01)    0.61                35
 12/19/2019   12:14:21   ( -79.71,  74.73) 12/19/2019   12:15:04  ( -79.71,  74.59)    2.95                43
 12/22/2019   03:41:26   (  79.58,  22.00) 12/22/2019   03:41:16  (  79.57,  21.87)    2.92                10
 12/22/2019   04:30:46   ( -79.85,-168.38) 12/22/2019   04:31:53  ( -79.85,-168.37)    0.20                67
 12/24/2019   19:08:33   ( -79.42, -30.87) 12/24/2019   19:07:30  ( -79.42, -30.95)    1.80                63