Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 4.  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)
 07/06/2021   19:08:23   ( -79.32, -31.55) 07/06/2021   19:07:54  ( -79.31, -31.65)    2.09                29
 07/06/2021   19:57:40   (  79.66, 138.43) 07/06/2021   19:58:28  (  79.66, 138.51)    1.70                48
 07/09/2021   11:24:47   ( -79.49,  85.49) 07/09/2021   11:24:46  ( -79.49,  85.53)    0.68                 1
 07/09/2021   12:11:50   (  81.61, -53.56) 07/09/2021   12:13:03  (  80.90, -54.75)   80.96                73
 07/12/2021   02:51:51   (  79.34,  32.73) 07/12/2021   02:51:01  (  79.35,  32.84)    2.24                50
 07/12/2021   03:41:14   ( -79.50,-158.52) 07/12/2021   03:41:42  ( -79.50,-158.64)    2.45                28
 07/14/2021   19:08:18   (  79.39, 148.92) 07/14/2021   19:07:57  (  79.39, 148.92)    0.10                21
 07/14/2021   19:57:38   ( -79.66, -41.51) 07/14/2021   19:58:34  ( -79.67, -41.44)    1.47                56
 07/17/2021   10:35:25   ( -79.21,  96.01) 07/17/2021   10:34:15  ( -79.21,  96.01)    0.02                70