Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 19.  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, 149.26)    0.82                66
 01/19/2021   19:57:47   ( -79.71, -41.15) 01/19/2021   19:57:58  ( -79.72, -41.05)    2.19                11
 01/22/2021   11:24:55   (  79.49, -94.48) 01/22/2021   11:24:15  (  79.48, -94.62)    2.94                40
 01/22/2021   12:14:15   ( -79.76,  75.10) 01/22/2021   12:14:52  ( -79.76,  75.10)    0.09                37
 01/25/2021   03:41:19   (  79.65,  22.52) 01/25/2021   03:41:04  (  79.65,  22.60)    1.69                15
 01/25/2021   04:30:42   ( -79.80,-168.68) 01/25/2021   04:31:45  ( -79.80,-168.76)    1.68                63
 01/27/2021   19:08:29   ( -79.40, -31.00) 01/27/2021   19:07:23  ( -79.39, -31.11)    2.33                66
 01/27/2021   19:57:47   (  79.69, 138.69) 01/27/2021   19:57:58  (  79.69, 138.70)    0.31                11
 01/30/2021   11:24:53   ( -79.59,  86.19) 01/30/2021   11:24:12  ( -79.59,  86.33)    2.91                41