Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 21.  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)
 07/22/2021   19:08:24   ( -79.32, -31.53) 07/22/2021   19:08:05  ( -79.31, -31.67)    3.06                19
 07/22/2021   19:57:41   (  79.66, 138.44) 07/22/2021   19:58:39  (  79.66, 138.52)    1.56                58
 07/25/2021   10:35:29   (  79.20, -84.05) 07/25/2021   10:34:20  (  79.20, -84.06)    0.36                69
 07/25/2021   11:24:49   ( -79.48,  85.44) 07/25/2021   11:24:57  ( -79.48,  85.47)    0.59                 8
 07/28/2021   02:51:57   (  79.24,  32.10) 07/28/2021   02:51:16  (  79.24,  31.99)    2.40                41
 07/28/2021   03:41:17   ( -79.53,-158.38) 07/28/2021   03:41:53  ( -79.52,-158.45)    1.58                36
 07/30/2021   19:08:21   (  79.44, 149.25) 07/30/2021   19:08:07  (  79.44, 149.36)    2.50                14
 07/30/2021   19:57:44   ( -79.60, -41.95) 07/30/2021   19:58:48  ( -79.59, -42.10)    3.16                64
 08/02/2021   10:35:28   ( -79.26,  96.29) 08/02/2021   10:34:24  ( -79.27,  96.41)    2.77                64