Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 12 28.  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)
 12/29/2020   11:24:56   ( -79.55,  85.88) 12/29/2020   11:24:10  ( -79.55,  86.00)    2.55                46
 12/29/2020   12:14:17   (  79.73,-105.17) 12/29/2020   12:14:49  (  79.73,-105.19)    0.44                32
 01/01/2021   03:41:24   ( -79.58,-158.03) 01/01/2021   03:41:05  ( -79.58,-158.02)    0.27                19
 01/01/2021   04:30:45   (  79.75,  10.91) 01/01/2021   04:31:44  (  79.75,  10.77)    2.74                59
 01/03/2021   19:08:28   (  79.48, 149.50) 01/03/2021   19:07:18  (  79.48, 149.62)    2.61                70
 01/03/2021   19:57:51   ( -79.64, -41.71) 01/03/2021   19:57:59  ( -79.64, -41.77)    1.36                 8
 01/06/2021   11:24:55   (  79.53, -94.24) 01/06/2021   11:24:12  (  79.54, -94.16)    1.57                43
 01/06/2021   12:14:18   ( -79.69,  74.58) 01/06/2021   12:14:53  ( -79.69,  74.47)    2.29                35
 01/09/2021   03:41:20   (  79.62,  22.26) 01/09/2021   03:41:04  (  79.62,  22.32)    1.21                16