Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 2 4.  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)
 02/04/2021   19:08:28   (  79.39, 148.97) 02/04/2021   19:07:23  (  79.38, 148.83)    2.94                65
 02/04/2021   19:57:47   ( -79.69, -41.24) 02/04/2021   19:57:59  ( -79.69, -41.24)    0.12                12
 02/07/2021   11:24:53   (  79.52, -94.21) 02/07/2021   11:24:14  (  79.52, -94.29)    1.77                39
 02/07/2021   12:14:13   ( -79.79,  75.36) 02/07/2021   12:14:51  ( -79.79,  75.42)    1.14                38
 02/10/2021   03:41:18   (  79.62,  22.33) 02/10/2021   03:41:05  (  79.62,  22.31)    0.28                13
 02/10/2021   04:30:38   ( -79.88,-168.06) 02/10/2021   04:31:42  ( -79.88,-167.93)    2.64                64
 02/12/2021   19:08:25   ( -79.45, -30.61) 02/12/2021   19:07:21  ( -79.44, -30.66)    1.23                64
 02/12/2021   19:57:43   (  79.74, 139.12) 02/12/2021   19:57:56  (  79.74, 139.20)    1.79                13
 02/15/2021   11:24:50   ( -79.57,  86.13) 02/15/2021   11:24:12  ( -79.57,  86.18)    0.97                38
 02/15/2021   12:14:11   (  79.75,-104.94) 02/15/2021   12:14:51  (  79.74,-105.05)    2.24                40