Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 20.  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)
 04/22/2020   19:09:18   (  77.95, 140.96) 04/22/2020   19:08:04  (  78.07, 140.49)   17.74                74
 04/22/2020   19:58:06   ( -79.56, -42.33) 04/22/2020   19:58:09  ( -79.56, -42.35)    0.42                 3
 04/25/2020   11:25:09   (  79.44, -94.91) 04/25/2020   11:24:21  (  79.45, -94.82)    1.82                48
 04/25/2020   12:14:31   ( -79.64,  74.11) 04/25/2020   12:15:01  ( -79.63,  74.03)    1.75                30
 04/28/2020   03:41:35   (  79.51,  21.47) 04/28/2020   03:41:14  (  79.51,  21.51)    0.94                21
 04/28/2020   04:30:58   ( -79.67,-169.75) 04/28/2020   04:31:55  ( -79.67,-169.88)    2.64                57
 04/30/2020   19:08:43   ( -79.29, -31.81) 04/30/2020   19:07:32  ( -79.28, -31.92)    2.49                71
 04/30/2020   19:58:01   (  79.58, 137.82) 04/30/2020   19:58:07  (  79.58, 137.85)    0.50                 6
 05/03/2020   11:25:09   ( -79.35,  84.52) 05/03/2020   11:24:25  ( -79.35,  84.39)    2.64                44