Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 18.  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)
 04/20/2020   03:41:39   ( -79.50,-158.59) 04/20/2020   03:41:15  ( -79.51,-158.53)    1.28                24
 04/20/2020   04:31:00   (  79.69,  10.37) 04/20/2020   04:31:54  (  79.68,  10.26)    2.25                54
 04/22/2020   19:09:17   (  77.98, 141.10) 04/22/2020   19:08:03  (  78.10, 140.64)   17.38                74
 04/22/2020   19:58:06   ( -79.55, -42.40) 04/22/2020   19:58:09  ( -79.55, -42.42)    0.46                 3
 04/25/2020   11:25:10   (  79.43, -94.99) 04/25/2020   11:24:22  (  79.44, -94.90)    2.10                48
 04/25/2020   12:14:32   ( -79.63,  74.03) 04/25/2020   12:15:02  ( -79.62,  73.96)    1.52                30
 04/28/2020   03:41:35   (  79.54,  21.64) 04/28/2020   03:41:14  (  79.54,  21.72)    1.50                21
 04/28/2020   04:30:58   ( -79.70,-169.56) 04/28/2020   04:31:55  ( -79.69,-169.66)    2.15                57
 04/30/2020   19:08:43   ( -79.27, -31.88) 04/30/2020   19:07:32  ( -79.27, -31.96)    1.67                71