Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 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)
 01/22/2021   11:24:55   (  79.47, -94.62) 01/22/2021   11:24:15  (  79.46, -94.74)    2.59                40
 01/22/2021   12:14:14   ( -79.77,  75.22) 01/22/2021   12:14:51  ( -79.77,  75.25)    0.49                37
 01/25/2021   03:41:19   (  79.66,  22.65) 01/25/2021   03:41:04  (  79.67,  22.76)    2.31                15
 01/25/2021   04:30:42   ( -79.82,-168.55) 01/25/2021   04:31:45  ( -79.81,-168.60)    1.05                63
 01/27/2021   19:08:29   ( -79.41, -30.89) 01/27/2021   19:07:23  ( -79.41, -30.95)    1.44                66
 01/27/2021   19:57:47   (  79.70, 138.82) 01/27/2021   19:57:58  (  79.71, 138.87)    1.18                11
 01/30/2021   11:24:55   ( -79.49,  85.51) 01/30/2021   11:24:15  ( -79.48,  85.41)    2.26                40
 01/30/2021   12:14:13   (  79.77,-104.76) 01/30/2021   12:14:50  (  79.78,-104.74)    0.45                37
 02/02/2021   03:41:22   ( -79.56,-158.11) 02/02/2021   03:41:08  ( -79.55,-158.24)    2.70                14