Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 10.  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)
 07/12/2021   02:51:55   (  79.26,  32.18) 07/12/2021   02:51:04  (  79.25,  32.09)    2.16                51
 07/12/2021   03:41:15   ( -79.53,-158.34) 07/12/2021   03:41:41  ( -79.53,-158.36)    0.44                26
 07/14/2021   19:08:21   (  79.39, 148.96) 07/14/2021   19:07:57  (  79.39, 148.97)    0.19                24
 07/14/2021   19:57:41   ( -79.67, -41.50) 07/14/2021   19:58:34  ( -79.67, -41.42)    1.65                53
 07/17/2021   10:35:40   ( -78.78,  93.47) 07/17/2021   10:34:26  ( -78.82,  93.31)    5.31                74
 07/17/2021   11:24:47   (  79.52, -94.26) 07/17/2021   11:24:50  (  79.53, -94.13)    2.83                 3
 07/20/2021   02:51:55   ( -79.32,-147.41) 07/20/2021   02:51:08  ( -79.32,-147.35)    1.47                47
 07/20/2021   03:41:15   (  79.54,  21.71) 07/20/2021   03:41:46  (  79.54,  21.69)    0.35                31
 07/22/2021   19:08:23   ( -79.37, -31.20) 07/22/2021   19:08:04  ( -79.37, -31.26)    1.34                19