Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 5 7.  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   (  79.37, -95.39) 05/09/2019   11:24:32  (  79.38, -95.35)    1.04                39
 05/09/2019   12:14:32   ( -79.60,  73.83) 05/09/2019   12:15:11  ( -79.60,  73.76)    1.39                39
 05/12/2019   03:41:35   (  79.47,  21.14) 05/12/2019   03:41:25  (  79.47,  21.15)    0.29                10
 05/12/2019   04:30:57   ( -79.66,-169.87) 05/12/2019   04:32:05  ( -79.65,-169.98)    2.25                68
 05/14/2019   19:08:42   ( -79.26, -32.01) 05/14/2019   19:07:44  ( -79.25, -32.11)    2.45                58
 05/14/2019   19:58:00   (  79.56, 137.65) 05/14/2019   19:58:19  (  79.56, 137.65)    0.13                19
 05/17/2019   11:25:07   ( -79.35,  84.48) 05/17/2019   11:24:38  ( -79.34,  84.36)    2.67                29
 05/17/2019   12:14:25   (  79.64,-105.85) 05/17/2019   12:15:13  (  79.64,-105.84)    0.18                48
 05/20/2019   03:41:32   ( -79.44,-159.06) 05/20/2019   03:41:32  ( -79.43,-159.17)    2.50                 0