Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 12 22.  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)
 12/24/2020   03:41:25   (  79.56,  21.81) 12/24/2020   03:41:04  (  79.56,  21.80)    0.19                21
 12/24/2020   04:30:45   ( -79.82,-168.59) 12/24/2020   04:31:41  ( -79.83,-168.49)    2.05                56
 12/26/2020   19:08:32   ( -79.38, -31.19) 12/26/2020   19:07:20  ( -79.37, -31.23)    0.96                72
 12/26/2020   19:57:49   (  79.71, 138.78) 12/26/2020   19:57:54  (  79.71, 138.90)    2.50                 5
 12/29/2020   11:24:57   ( -79.53,  85.72) 12/29/2020   11:24:11  ( -79.53,  85.83)    2.30                46
 12/29/2020   12:14:18   (  79.70,-105.37) 12/29/2020   12:14:50  (  79.70,-105.41)    0.69                32
 01/01/2021   03:41:24   ( -79.59,-157.92) 01/01/2021   03:41:05  ( -79.59,-157.92)    0.27                19
 01/01/2021   04:30:45   (  79.77,  10.99) 01/01/2021   04:31:44  (  79.76,  10.84)    3.11                59
 01/03/2021   19:08:29   (  79.45, 149.32) 01/03/2021   19:07:19  (  79.46, 149.42)    2.07                70