Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 17.  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)
 01/19/2021   19:08:27   (  79.44, 149.29) 01/19/2021   19:07:21  (  79.44, 149.25)    0.79                66
 01/19/2021   19:57:47   ( -79.71, -41.15) 01/19/2021   19:57:58  ( -79.72, -41.05)    2.16                11
 01/22/2021   11:24:55   (  79.49, -94.49) 01/22/2021   11:24:15  (  79.48, -94.63)    2.99                40
 01/22/2021   12:14:15   ( -79.76,  75.11) 01/22/2021   12:14:52  ( -79.76,  75.10)    0.01                37
 01/25/2021   03:41:19   (  79.65,  22.51) 01/25/2021   03:41:04  (  79.65,  22.58)    1.52                15
 01/25/2021   04:30:42   ( -79.80,-168.67) 01/25/2021   04:31:45  ( -79.80,-168.76)    1.89                63
 01/27/2021   19:08:29   ( -79.40, -30.99) 01/27/2021   19:07:23  ( -79.39, -31.12)    2.71                66
 01/27/2021   19:57:47   (  79.69, 138.69) 01/27/2021   19:57:58  (  79.69, 138.68)    0.11                11
 01/30/2021   11:24:53   ( -79.59,  86.20) 01/30/2021   11:24:12  ( -79.59,  86.31)    2.28                41