Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 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)
 12/11/2019   11:25:02   ( -79.48,  85.42) 12/11/2019   11:24:32  ( -79.48,  85.29)    2.73                30
 12/11/2019   12:14:20   (  79.78,-104.79) 12/11/2019   12:15:07  (  79.78,-104.79)    0.15                47
 12/14/2019   03:41:27   ( -79.60,-157.89) 12/14/2019   03:41:21  ( -79.59,-157.96)    1.53                 6
 12/14/2019   04:30:46   (  79.85,  11.64) 12/14/2019   04:31:57  (  79.86,  11.70)    1.26                71
 12/16/2019   19:08:34   (  79.40, 148.97) 12/16/2019   19:07:35  (  79.39, 148.85)    2.61                59
 12/16/2019   19:57:53   ( -79.71, -41.21) 12/16/2019   19:58:11  ( -79.71, -41.21)    0.19                18
 12/19/2019   11:25:00   (  79.51, -94.42) 12/19/2019   11:24:25  (  79.51, -94.46)    0.77                35
 12/19/2019   12:14:19   ( -79.81,  75.45) 12/19/2019   12:15:01  ( -79.81,  75.56)    2.13                42
 12/22/2019   03:41:25   (  79.65,  22.46) 12/22/2019   03:41:14  (  79.65,  22.53)    1.58                11