Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 19.  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)
 04/20/2020   03:41:39   ( -79.50,-158.61) 04/20/2020   03:41:15  ( -79.51,-158.55)    1.30                24
 04/20/2020   04:31:00   (  79.69,  10.36) 04/20/2020   04:31:54  (  79.68,  10.25)    2.26                54
 04/22/2020   19:09:17   (  77.97, 141.09) 04/22/2020   19:08:03  (  78.10, 140.63)   17.39                74
 04/22/2020   19:58:06   ( -79.55, -42.42) 04/22/2020   19:58:09  ( -79.55, -42.44)    0.49                 3
 04/25/2020   11:25:10   (  79.43, -95.01) 04/25/2020   11:24:22  (  79.43, -94.92)    2.01                48
 04/25/2020   12:14:32   ( -79.62,  74.01) 04/25/2020   12:15:02  ( -79.62,  73.94)    1.59                30
 04/28/2020   03:41:36   (  79.50,  21.37) 04/28/2020   03:41:15  (  79.50,  21.42)    1.36                21
 04/28/2020   04:30:58   ( -79.69,-169.58) 04/28/2020   04:31:55  ( -79.69,-169.69)    2.28                57
 04/30/2020   19:08:43   ( -79.27, -31.90) 04/30/2020   19:07:32  ( -79.27, -31.99)    1.85                71
 04/30/2020   19:58:00   (  79.60, 137.98) 04/30/2020   19:58:06  (  79.60, 138.04)    1.18                 6
 05/03/2020   11:25:08   ( -79.38,  84.67) 05/03/2020   11:24:24  ( -79.37,  84.59)    1.62                44