Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 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)
 08/10/2021   10:35:28   (  79.27, -83.58) 08/10/2021   10:34:28  (  79.28, -83.48)    2.16                60
 08/10/2021   11:24:48   ( -79.55,  85.92) 08/10/2021   11:25:05  ( -79.56,  86.07)    3.06                17
 08/13/2021   02:51:55   (  79.37,  32.95) 08/13/2021   02:51:22  (  79.37,  33.01)    1.36                33
 08/13/2021   03:41:16   ( -79.61,-157.76) 08/13/2021   03:42:00  ( -79.62,-157.66)    2.24                44
 08/15/2021   19:08:22   (  79.43, 149.20) 08/15/2021   19:08:16  (  79.43, 149.24)    0.90                 6
 08/15/2021   19:57:43   ( -79.67, -41.47) 08/15/2021   19:58:54  ( -79.68, -41.39)    1.85                71
 08/18/2021   10:35:29   ( -79.30,  96.61) 08/18/2021   10:34:32  ( -79.31,  96.72)    2.49                57
 08/18/2021   11:24:49   (  79.52, -94.30) 08/18/2021   11:25:10  (  79.52, -94.26)    0.83                21
 08/21/2021   02:51:56   ( -79.39,-146.92) 08/21/2021   02:51:26  ( -79.40,-146.79)    2.80                30
 08/21/2021   03:41:16   (  79.60,  22.19) 08/21/2021   03:42:04  (  79.61,  22.24)    1.15                48
 08/23/2021   19:08:26   ( -79.36, -31.24) 08/23/2021   19:08:24  ( -79.36, -31.37)    2.85                 2