Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 5 8.  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)
 05/11/2020   11:25:08   (  79.44, -94.88) 05/11/2020   11:24:20  (  79.45, -94.76)    2.48                48
 05/11/2020   12:14:31   ( -79.60,  73.87) 05/11/2020   12:15:01  ( -79.60,  73.81)    1.27                30
 05/14/2020   03:41:36   (  79.48,  21.23) 05/14/2020   03:41:14  (  79.48,  21.24)    0.20                22
 05/14/2020   04:30:56   ( -79.75,-169.18) 05/14/2020   04:31:51  ( -79.75,-169.04)    2.76                55
 05/16/2020   19:08:42   ( -79.33, -31.54) 05/16/2020   19:07:28  ( -79.33, -31.46)    1.64                74
 05/16/2020   19:58:02   (  79.54, 137.58) 05/16/2020   19:58:06  (  79.54, 137.50)    1.65                 4
 05/19/2020   11:25:09   ( -79.39,  84.78) 05/19/2020   11:24:21  ( -79.39,  84.79)    0.10                48
 05/19/2020   12:14:30   (  79.57,-106.37) 05/19/2020   12:15:00  (  79.56,-106.51)    3.02                30
 05/22/2020   03:41:36   ( -79.45,-158.92) 05/22/2020   03:41:14  ( -79.45,-158.97)    1.01                22