Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 27.  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)
 04/28/2020   03:41:35   (  79.53,  21.64) 04/28/2020   03:41:14  (  79.54,  21.70)    1.40                21
 04/28/2020   04:30:58   ( -79.69,-169.63) 04/28/2020   04:31:55  ( -79.68,-169.72)    1.98                57
 04/30/2020   19:08:42   ( -79.30, -31.70) 04/30/2020   19:07:31  ( -79.29, -31.77)    1.55                71
 04/30/2020   19:58:00   (  79.60, 137.98) 04/30/2020   19:58:06  (  79.60, 138.04)    1.27                 6
 05/03/2020   11:25:07   ( -79.40,  84.86) 05/03/2020   11:24:23  ( -79.40,  84.80)    1.37                44
 05/03/2020   12:14:25   (  79.70,-105.44) 05/03/2020   12:14:58  (  79.70,-105.36)    1.67                33
 05/06/2020   03:41:32   ( -79.50,-158.60) 05/06/2020   03:41:15  ( -79.50,-158.62)    0.70                17
 05/06/2020   04:30:51   (  79.75,  10.85) 05/06/2020   04:31:51  (  79.76,  10.96)    2.50                60
 05/08/2020   19:08:37   (  79.31, 148.36) 05/08/2020   19:07:30  (  79.30, 148.27)    2.11                67
 05/08/2020   19:57:57   ( -79.59, -42.08) 05/08/2020   19:58:07  ( -79.59, -42.05)    0.48                10
 05/11/2020   11:25:00   (  79.43, -94.93) 05/11/2020   11:24:20  (  79.43, -94.94)    0.49                40