Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 1 1.  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   ( -79.58, -29.70) 01/03/2018   19:07:53  ( -79.58, -29.66)    0.78                59
 01/03/2018   19:58:12   (  79.80, 139.61) 01/03/2018   19:58:30  (  79.81, 139.72)    2.41                18
 01/06/2018   11:25:22   ( -79.60,  86.35) 01/06/2018   11:24:46  ( -79.60,  86.31)    0.76                36
 01/06/2018   12:14:41   (  79.86,-104.07) 01/06/2018   12:15:22  (  79.86,-104.01)    1.22                41
 01/09/2018   03:41:51   ( -79.66,-157.35) 01/09/2018   03:41:38  ( -79.66,-157.44)    1.74                13
 01/09/2018   04:31:10   (  79.91,  12.23) 01/09/2018   04:32:14  (  79.91,  12.26)    0.55                64
 01/11/2018   19:08:56   (  79.56, 150.15) 01/11/2018   19:07:48  (  79.56, 150.22)    1.50                68
 01/11/2018   19:58:18   ( -79.75, -40.81) 01/11/2018   19:58:28  ( -79.74, -40.92)    2.23                10
 01/14/2018   11:25:24   (  79.64, -93.36) 01/14/2018   11:24:39  (  79.65, -93.28)    1.76                45