Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 12.  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   03:41:41   (  79.49,  21.28) 04/12/2020   03:41:15  (  79.48,  21.25)    0.93                26
 04/12/2020   04:31:01   ( -79.75,-169.19) 04/12/2020   04:31:52  ( -79.75,-169.09)    1.95                51
 04/14/2020   19:11:11   ( -72.51, -54.63) 04/14/2020   19:09:58  ( -72.83, -56.69)   76.97                73
 04/14/2020   19:58:06   (  79.62, 138.08) 04/14/2020   19:58:06  (  79.62, 138.19)    2.38                 0
 04/17/2020   11:25:13   ( -79.45,  85.12) 04/17/2020   11:24:22  ( -79.46,  85.26)    3.08                51
 04/17/2020   12:14:34   (  79.63,-105.95) 04/17/2020   12:15:01  (  79.63,-105.98)    0.41                27
 04/20/2020   03:41:40   ( -79.50,-158.66) 04/20/2020   03:41:16  ( -79.50,-158.64)    0.68                24
 04/20/2020   04:31:01   (  79.67,  10.25) 04/20/2020   04:31:55  (  79.67,  10.12)    2.72                54
 04/22/2020   19:09:22   (  77.73, 140.02) 04/22/2020   19:08:08  (  77.88, 139.47)   20.30                74
 04/22/2020   19:58:06   ( -79.54, -42.48) 04/22/2020   19:58:09  ( -79.54, -42.55)    1.35                 3
 04/25/2020   11:25:10   (  79.41, -95.12) 04/25/2020   11:24:22  (  79.41, -95.09)    0.75                48