Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 2.  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)
 01/03/2021   19:08:28   (  79.47, 149.45) 01/03/2021   19:07:18  (  79.47, 149.57)    2.52                70
 01/03/2021   19:57:51   ( -79.63, -41.79) 01/03/2021   19:57:59  ( -79.62, -41.86)    1.34                 8
 01/06/2021   11:24:55   (  79.52, -94.29) 01/06/2021   11:24:12  (  79.53, -94.23)    1.42                43
 01/06/2021   12:14:17   ( -79.72,  74.77) 01/06/2021   12:14:52  ( -79.71,  74.66)    2.36                35
 01/09/2021   03:41:21   (  79.61,  22.20) 01/09/2021   03:41:05  (  79.61,  22.25)    0.94                16
 01/09/2021   04:30:44   ( -79.77,-168.98) 01/09/2021   04:31:46  ( -79.76,-169.12)    2.73                62
 01/11/2021   19:08:28   ( -79.40, -31.00) 01/11/2021   19:07:22  ( -79.39, -31.09)    1.91                66
 01/11/2021   19:57:46   (  79.69, 138.67) 01/11/2021   19:57:57  (  79.69, 138.72)    1.12                11
 01/14/2021   11:24:53   ( -79.52,  85.68) 01/14/2021   11:24:14  ( -79.51,  85.63)    1.13                39