Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 23.  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)
 04/25/2020   11:25:09   (  79.44, -94.90) 04/25/2020   11:24:21  (  79.45, -94.80)    2.10                48
 04/25/2020   12:14:31   ( -79.63,  74.10) 04/25/2020   12:15:01  ( -79.63,  74.04)    1.39                30
 04/28/2020   03:41:35   (  79.51,  21.47) 04/28/2020   03:41:14  (  79.52,  21.54)    1.54                21
 04/28/2020   04:30:57   ( -79.71,-169.49) 04/28/2020   04:31:54  ( -79.70,-169.58)    2.00                57
 04/30/2020   19:08:43   ( -79.28, -31.82) 04/30/2020   19:07:32  ( -79.28, -31.89)    1.47                71
 04/30/2020   19:58:00   (  79.62, 138.09) 04/30/2020   19:58:06  (  79.62, 138.16)    1.52                 6
 05/03/2020   11:25:08   ( -79.39,  84.75) 05/03/2020   11:24:24  ( -79.38,  84.70)    1.14                44
 05/03/2020   12:14:26   (  79.68,-105.58) 05/03/2020   12:14:59  (  79.68,-105.49)    1.98                33
 05/06/2020   03:41:32   ( -79.49,-158.69) 05/06/2020   03:41:15  ( -79.49,-158.71)    0.30                17