Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 5.  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)
 01/06/2021   11:24:54   (  79.54, -94.14) 01/06/2021   11:24:11  (  79.54, -94.09)    1.13                43
 01/06/2021   12:14:17   ( -79.70,  74.63) 01/06/2021   12:14:52  ( -79.69,  74.50)    2.65                35
 01/09/2021   03:41:21   (  79.59,  22.09) 01/09/2021   03:41:05  (  79.59,  22.10)    0.29                16
 01/09/2021   04:30:41   ( -79.86,-168.28) 01/09/2021   04:31:42  ( -79.86,-168.13)    2.98                61
 01/11/2021   19:08:29   ( -79.38, -31.11) 01/11/2021   19:07:23  ( -79.37, -31.25)    3.14                66
 01/11/2021   19:57:47   (  79.67, 138.57) 01/11/2021   19:57:58  (  79.67, 138.56)    0.13                11
 01/14/2021   11:24:55   ( -79.46,  85.32) 01/14/2021   11:24:16  ( -79.46,  85.18)    3.07                39
 01/14/2021   12:14:13   (  79.75,-104.99) 01/14/2021   12:14:51  (  79.75,-104.99)    0.13                38
 01/17/2021   03:41:19   ( -79.58,-158.01) 01/17/2021   03:41:07  ( -79.57,-158.13)    2.51                12