Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 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)
 04/09/2020   11:25:14   (  79.44, -94.96) 04/09/2020   11:24:21  (  79.45, -94.83)    2.70                53
 04/09/2020   12:14:36   ( -79.63,  74.02) 04/09/2020   12:15:01  ( -79.62,  73.97)    1.04                25
 04/12/2020   03:41:41   (  79.50,  21.33) 04/12/2020   03:41:15  (  79.49,  21.30)    0.82                26
 04/12/2020   04:31:01   ( -79.76,-169.11) 04/12/2020   04:31:52  ( -79.76,-169.02)    1.97                51
 04/14/2020   19:11:09   ( -72.63, -54.41) 04/14/2020   19:09:56  ( -72.95, -56.44)   75.74                73
 04/14/2020   19:58:06   (  79.63, 138.14) 04/14/2020   19:58:06  (  79.63, 138.27)    2.72                 0
 04/17/2020   11:25:16   ( -79.35,  84.44) 04/17/2020   11:24:26  ( -79.34,  84.31)    2.76                50
 04/17/2020   12:14:34   (  79.64,-105.89) 04/17/2020   12:15:01  (  79.64,-105.87)    0.33                27
 04/20/2020   03:41:39   ( -79.51,-158.57) 04/20/2020   03:41:15  ( -79.52,-158.49)    1.67                24
 04/20/2020   04:31:00   (  79.69,  10.34) 04/20/2020   04:31:54  (  79.68,  10.26)    1.64                54
 04/22/2020   19:09:12   (  78.20, 142.11) 04/22/2020   19:07:58  (  78.30, 141.74)   14.71                74