Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 20.  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)
 05/22/2021   11:24:56   ( -79.40,  84.82) 05/22/2021   11:24:11  ( -79.40,  84.92)    2.07                45
 05/22/2021   12:14:17   (  79.58,-106.27) 05/22/2021   12:14:50  (  79.58,-106.34)    1.47                33
 05/25/2021   03:41:24   ( -79.41,-159.19) 05/25/2021   03:41:08  ( -79.41,-159.26)    1.40                16
 05/25/2021   04:30:42   (  79.71,  10.52) 05/25/2021   04:31:43  (  79.71,  10.59)    1.53                61
 05/27/2021   19:08:29   (  79.26, 148.02) 05/27/2021   19:07:24  (  79.25, 147.97)    1.04                65
 05/27/2021   19:57:48   ( -79.57, -42.20) 05/27/2021   19:58:00  ( -79.58, -42.10)    2.06                12
 05/30/2021   11:24:53   (  79.41, -95.06) 05/30/2021   11:24:16  (  79.42, -94.93)    2.90                37
 05/30/2021   12:14:15   ( -79.62,  73.98) 05/30/2021   12:14:56  ( -79.61,  73.97)    0.35                41
 06/02/2021   03:41:18   (  79.49,  21.33) 06/02/2021   03:41:10  (  79.49,  21.37)    0.97                 8