Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 9.  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)
 04/12/2020   03:41:42   (  79.46,  21.07) 04/12/2020   03:41:16  (  79.46,  21.02)    0.89                26
 04/12/2020   04:31:01   ( -79.76,-169.13) 04/12/2020   04:31:52  ( -79.76,-169.03)    1.93                51
 04/14/2020   19:11:11   ( -72.52, -54.61) 04/14/2020   19:09:58  ( -72.84, -56.67)   76.83                73
 04/14/2020   19:58:06   (  79.62, 138.12) 04/14/2020   19:58:06  (  79.63, 138.24)    2.52                 0
 04/17/2020   11:25:16   ( -79.34,  84.41) 04/17/2020   11:24:26  ( -79.33,  84.27)    3.11                50
 04/17/2020   12:14:34   (  79.64,-105.91) 04/17/2020   12:15:01  (  79.64,-105.91)    0.16                27
 04/20/2020   03:41:39   ( -79.50,-158.60) 04/20/2020   03:41:15  ( -79.51,-158.56)    1.07                24
 04/20/2020   04:31:00   (  79.68,  10.30) 04/20/2020   04:31:54  (  79.68,  10.19)    2.26                54
 04/22/2020   19:09:18   (  77.92, 140.85) 04/22/2020   19:08:04  (  78.05, 140.37)   18.02                74