Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 1 2.  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)
 01/03/2018   19:08:52   ( -79.57, -29.78) 01/03/2018   19:07:53  ( -79.57, -29.75)    0.77                59
 01/03/2018   19:58:11   (  79.83, 139.81) 01/03/2018   19:58:29  (  79.83, 139.93)    2.40                18
 01/06/2018   11:25:21   ( -79.63,  86.53) 01/06/2018   11:24:45  ( -79.62,  86.51)    0.72                36
 01/06/2018   12:14:41   (  79.85,-104.15) 01/06/2018   12:15:22  (  79.85,-104.09)    1.27                41
 01/09/2018   03:41:50   ( -79.68,-157.17) 01/09/2018   03:41:37  ( -79.68,-157.25)    1.62                13
 01/09/2018   04:31:10   (  79.90,  12.15) 01/09/2018   04:32:14  (  79.90,  12.18)    0.69                64
 01/11/2018   19:08:56   (  79.58, 150.34) 01/11/2018   19:07:48  (  79.59, 150.42)    1.73                68
 01/11/2018   19:58:19   ( -79.74, -40.91) 01/11/2018   19:58:29  ( -79.73, -41.00)    2.00                10
 01/14/2018   11:25:23   (  79.67, -93.18) 01/14/2018   11:24:38  (  79.67, -93.08)    2.13                45