Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 5 11.  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   03:41:36   (  79.46,  21.14) 05/14/2020   03:41:14  (  79.46,  21.13)    0.23                22
 05/14/2020   04:30:56   ( -79.73,-169.30) 05/14/2020   04:31:51  ( -79.74,-169.18)    2.66                55
 05/16/2020   19:08:43   ( -79.31, -31.64) 05/16/2020   19:07:29  ( -79.32, -31.59)    1.36                74
 05/16/2020   19:58:03   (  79.53, 137.48) 05/16/2020   19:58:07  (  79.52, 137.39)    2.03                 4
 05/19/2020   11:25:10   ( -79.38,  84.68) 05/19/2020   11:24:22  ( -79.38,  84.66)    0.47                48
 05/19/2020   12:14:28   (  79.67,-105.65) 05/19/2020   12:14:57  (  79.68,-105.52)    2.80                29
 05/22/2020   03:41:36   ( -79.44,-159.02) 05/22/2020   03:41:14  ( -79.43,-159.11)    1.87                22
 05/22/2020   04:30:54   (  79.72,  10.65) 05/22/2020   04:31:49  (  79.73,  10.73)    1.60                55
 05/24/2020   19:08:46   (  79.09, 146.96) 05/24/2020   19:07:32  (  79.12, 146.97)    3.63                74