Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 5 13.  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)
 05/14/2020   03:41:35   (  79.49,  21.31) 05/14/2020   03:41:13  (  79.49,  21.31)    0.19                22
 05/14/2020   04:30:55   ( -79.75,-169.13) 05/14/2020   04:31:50  ( -79.76,-169.00)    2.66                55
 05/16/2020   19:08:42   ( -79.33, -31.48) 05/16/2020   19:07:28  ( -79.34, -31.42)    1.24                74
 05/16/2020   19:58:03   (  79.52, 137.40) 05/16/2020   19:58:07  (  79.51, 137.30)    2.21                 4
 05/19/2020   11:25:10   ( -79.36,  84.60) 05/19/2020   11:24:22  ( -79.36,  84.56)    0.81                48
 05/19/2020   12:14:28   (  79.66,-105.73) 05/19/2020   12:14:57  (  79.66,-105.62)    2.41                29
 05/22/2020   03:41:37   ( -79.43,-159.10) 05/22/2020   03:41:15  ( -79.42,-159.21)    2.51                22
 05/22/2020   04:30:55   (  79.71,  10.58) 05/22/2020   04:31:50  (  79.72,  10.63)    0.92                55
 05/24/2020   19:08:51   (  78.88, 145.71) 05/24/2020   19:07:37  (  78.93, 145.63)    5.91                74