Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 12 21.  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)
 12/21/2020   11:24:59   (  79.43, -94.93) 12/21/2020   11:24:12  (  79.43, -95.03)    2.09                47
 12/21/2020   12:14:19   ( -79.70,  74.62) 12/21/2020   12:14:49  ( -79.70,  74.61)    0.25                30
 12/24/2020   03:41:25   (  79.55,  21.79) 12/24/2020   03:41:04  (  79.55,  21.77)    0.30                21
 12/24/2020   04:30:45   ( -79.82,-168.61) 12/24/2020   04:31:41  ( -79.82,-168.52)    1.89                56
 12/26/2020   19:08:32   ( -79.38, -31.20) 12/26/2020   19:07:20  ( -79.37, -31.26)    1.30                72
 12/26/2020   19:57:50   (  79.67, 138.49) 12/26/2020   19:57:55  (  79.68, 138.59)    2.18                 5
 12/29/2020   11:24:57   ( -79.53,  85.71) 12/29/2020   11:24:11  ( -79.53,  85.79)    1.69                46
 12/29/2020   12:14:18   (  79.70,-105.39) 12/29/2020   12:14:50  (  79.70,-105.45)    1.25                32
 01/01/2021   03:41:25   ( -79.56,-158.19) 01/01/2021   03:41:06  ( -79.55,-158.25)    1.08                19
 01/01/2021   04:30:43   (  79.84,  11.53) 01/01/2021   04:31:41  (  79.84,  11.65)    2.38                58
 01/03/2021   19:08:30   (  79.41, 149.06) 01/03/2021   19:07:20  (  79.42, 149.09)    0.76                70