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   19:08:28   (  79.41, 149.12) 01/19/2021   19:07:22  (  79.41, 149.08)    0.73                66
 01/19/2021   19:57:47   ( -79.72, -41.06) 01/19/2021   19:57:58  ( -79.73, -40.95)    2.29                11
 01/22/2021   11:24:55   (  79.46, -94.66) 01/22/2021   11:24:15  (  79.46, -94.80)    2.82                40
 01/22/2021   12:14:14   ( -79.77,  75.19) 01/22/2021   12:14:51  ( -79.77,  75.21)    0.26                37
 01/25/2021   03:41:19   (  79.66,  22.60) 01/25/2021   03:41:04  (  79.66,  22.69)    1.83                15
 01/25/2021   04:30:42   ( -79.81,-168.58) 01/25/2021   04:31:45  ( -79.81,-168.66)    1.56                63
 01/27/2021   19:08:29   ( -79.41, -30.91) 01/27/2021   19:07:23  ( -79.40, -31.01)    2.24                66
 01/27/2021   19:57:47   (  79.70, 138.78) 01/27/2021   19:57:58  (  79.70, 138.79)    0.35                11
 01/30/2021   11:24:53   ( -79.60,  86.28) 01/30/2021   11:24:12  ( -79.60,  86.42)    2.91                41