Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 23.  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)
 01/25/2021   03:41:20   (  79.64,  22.49) 01/25/2021   03:41:05  (  79.65,  22.60)    2.43                15
 01/25/2021   04:30:42   ( -79.83,-168.45) 01/25/2021   04:31:45  ( -79.83,-168.49)    0.90                63
 01/27/2021   19:08:28   ( -79.43, -30.78) 01/27/2021   19:07:22  ( -79.42, -30.84)    1.26                66
 01/27/2021   19:57:46   (  79.72, 138.94) 01/27/2021   19:57:57  (  79.72, 139.00)    1.31                11
 01/30/2021   11:24:55   ( -79.50,  85.63) 01/30/2021   11:24:15  ( -79.50,  85.53)    2.12                40
 01/30/2021   12:14:14   (  79.76,-104.91) 01/30/2021   12:14:51  (  79.76,-104.89)    0.63                37
 02/02/2021   03:41:22   ( -79.58,-157.98) 02/02/2021   03:41:08  ( -79.57,-158.11)    2.62                14
 02/02/2021   04:30:41   (  79.82,  11.50) 02/02/2021   04:31:44  (  79.83,  11.50)    0.28                63
 02/04/2021   19:08:26   (  79.48, 149.58) 02/04/2021   19:07:20  (  79.48, 149.62)    0.78                66