Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 6 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)
 06/18/2021   02:51:57   ( -79.22,-148.04) 06/18/2021   02:50:46  ( -79.22,-148.09)    1.09                71
 06/18/2021   03:41:15   (  79.53,  21.64) 06/18/2021   03:41:21  (  79.53,  21.71)    1.60                 6
 06/20/2021   19:08:25   ( -79.28, -31.83) 06/20/2021   19:07:42  ( -79.27, -31.92)    1.93                43
 06/20/2021   19:57:42   (  79.61, 138.12) 06/20/2021   19:58:16  (  79.61, 138.17)    1.03                34
 06/23/2021   11:24:51   ( -79.40,  84.87) 06/23/2021   11:24:36  ( -79.39,  84.76)    2.31                15
 06/23/2021   12:14:10   (  79.66,-105.69) 06/23/2021   12:15:12  (  79.66,-105.65)    0.90                62
 06/26/2021   02:51:56   (  79.28,  32.29) 06/26/2021   02:50:51  (  79.28,  32.36)    1.60                65
 06/26/2021   03:41:18   ( -79.48,-158.71) 06/26/2021   03:41:31  ( -79.47,-158.82)    2.23                13
 06/28/2021   19:08:21   (  79.39, 148.91) 06/28/2021   19:07:44  (  79.40, 149.02)    2.25                37