Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 10.  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,-169.04)    1.96                51
 04/14/2020   19:11:10   ( -72.57, -54.52) 04/14/2020   19:09:57  ( -72.89, -56.56)   76.32                73
 04/14/2020   19:58:06   (  79.62, 138.12) 04/14/2020   19:58:06  (  79.63, 138.24)    2.53                 0
 04/17/2020   11:25:16   ( -79.34,  84.40) 04/17/2020   11:24:26  ( -79.33,  84.26)    3.06                50
 04/17/2020   12:14:34   (  79.64,-105.91) 04/17/2020   12:15:01  (  79.64,-105.92)    0.17                27
 04/20/2020   03:41:39   ( -79.50,-158.62) 04/20/2020   03:41:15  ( -79.51,-158.57)    1.13                24
 04/20/2020   04:31:00   (  79.68,  10.29) 04/20/2020   04:31:54  (  79.67,  10.18)    2.23                54
 04/22/2020   19:09:17   (  77.96, 141.03) 04/22/2020   19:08:03  (  78.09, 140.56)   17.52                74