Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 2 6.  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)
 02/07/2018   11:25:32   ( -79.57,  86.17) 02/07/2018   11:24:25  ( -79.56,  86.11)    1.37                67
 02/07/2018   12:14:52   (  79.78,-104.59) 02/07/2018   12:15:03  (  79.78,-104.71)    2.65                11
 02/10/2018   03:41:57   ( -79.72,-156.80) 02/10/2018   03:41:13  ( -79.73,-156.66)    2.89                44
 02/10/2018   04:31:18   (  79.90,  12.18) 02/10/2018   04:31:52  (  79.90,  12.27)    1.95                34
 02/12/2018   19:58:25   ( -79.76, -40.62) 02/12/2018   19:58:05  ( -79.77, -40.56)    1.31                20
 02/12/2018   20:47:45   (  79.97, 128.64) 02/12/2018   20:48:43  (  79.96, 128.67)    0.63                58
 02/15/2018   11:25:31   (  79.60, -93.59) 02/15/2018   11:24:18  (  79.60, -93.56)    0.60                73
 02/15/2018   12:14:52   ( -79.83,  75.81) 02/15/2018   12:14:56  ( -79.83,  75.83)    0.37                 4
 02/18/2018   03:41:57   (  79.66,  22.78) 02/18/2018   03:41:08  (  79.66,  22.78)    0.15                49
 02/18/2018   04:31:19   ( -79.86,-168.07) 02/18/2018   04:31:47  ( -79.86,-168.09)    0.35                28
 02/20/2018   19:58:23   (  79.76, 139.39) 02/20/2018   19:57:58  (  79.76, 139.39)    0.26                25