Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 8 16.  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)
 08/18/2018   11:25:11   ( -79.28,  84.01) 08/18/2018   11:24:53  ( -79.28,  84.01)    0.22                18
 08/18/2018   12:14:30   (  79.55,-106.54) 08/18/2018   12:15:29  (  79.55,-106.48)    1.18                59
 08/21/2018   02:52:16   (  79.11,  31.15) 08/21/2018   02:51:09  (  79.11,  31.21)    1.45                67
 08/21/2018   03:41:37   ( -79.35,-159.70) 08/21/2018   03:41:48  ( -79.35,-159.71)    0.29                11
 08/23/2018   19:08:41   (  79.21, 147.64) 08/23/2018   19:08:03  (  79.21, 147.71)    1.50                38
 08/23/2018   19:58:02   ( -79.44, -43.16) 08/23/2018   19:58:42  ( -79.44, -43.17)    0.17                40
 08/26/2018   11:25:05   (  79.30, -95.86) 08/26/2018   11:24:56  (  79.31, -95.79)    1.82                 9
 08/26/2018   12:14:26   ( -79.54,  73.36) 08/26/2018   12:15:35  ( -79.54,  73.37)    0.23                69
 08/29/2018   02:52:11   ( -79.13,-148.73) 08/29/2018   02:51:14  ( -79.13,-148.68)    1.18                57