Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 5 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)
 05/09/2019   11:25:11   (  79.38, -95.36) 05/09/2019   11:24:32  (  79.38, -95.31)    1.12                39
 05/09/2019   12:14:32   ( -79.61,  73.87) 05/09/2019   12:15:11  ( -79.60,  73.81)    1.35                39
 05/12/2019   03:41:35   (  79.47,  21.17) 05/12/2019   03:41:25  (  79.47,  21.19)    0.45                10
 05/12/2019   04:30:57   ( -79.66,-169.83) 05/12/2019   04:32:05  ( -79.66,-169.93)    2.13                68
 05/14/2019   19:08:42   ( -79.26, -31.97) 05/14/2019   19:07:44  ( -79.26, -32.07)    2.26                58
 05/14/2019   19:58:00   (  79.56, 137.68) 05/14/2019   19:58:19  (  79.56, 137.69)    0.24                19
 05/17/2019   11:25:07   ( -79.36,  84.50) 05/17/2019   11:24:38  ( -79.35,  84.40)    2.38                29
 05/17/2019   12:14:25   (  79.65,-105.83) 05/17/2019   12:15:13  (  79.65,-105.81)    0.39                48
 05/20/2019   03:41:32   ( -79.44,-159.03) 05/20/2019   03:41:32  ( -79.44,-159.13)    2.11                 0