Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 12.  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   ( -79.61,-157.80) 12/14/2019   03:41:21  ( -79.61,-157.85)    1.11                 6
 12/14/2019   04:30:46   (  79.87,  11.76) 12/14/2019   04:31:57  (  79.87,  11.84)    1.62                71
 12/16/2019   19:08:34   (  79.41, 149.06) 12/16/2019   19:07:35  (  79.41, 148.97)    1.97                59
 12/16/2019   19:57:53   ( -79.72, -41.13) 12/16/2019   19:58:11  ( -79.72, -41.09)    0.80                18
 12/19/2019   11:24:58   (  79.55, -94.07) 12/19/2019   11:24:23  (  79.55, -94.06)    0.35                35
 12/19/2019   12:14:18   ( -79.82,  75.52) 12/19/2019   12:15:00  ( -79.83,  75.67)    3.17                42
 12/22/2019   03:41:24   (  79.65,  22.51) 12/22/2019   03:41:13  (  79.66,  22.65)    3.05                11
 12/22/2019   04:30:46   ( -79.84,-168.41) 12/22/2019   04:31:53  ( -79.84,-168.42)    0.44                67
 12/24/2019   19:08:33   ( -79.42, -30.89) 12/24/2019   19:07:30  ( -79.41, -31.00)    2.46                63