Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 21.  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, 140.97) 04/22/2020   19:08:04  (  78.07, 140.50)   17.74                74
 04/22/2020   19:58:06   ( -79.56, -42.33) 04/22/2020   19:58:09  ( -79.56, -42.34)    0.32                 3
 04/25/2020   11:25:09   (  79.44, -94.91) 04/25/2020   11:24:21  (  79.45, -94.81)    2.04                48
 04/25/2020   12:14:31   ( -79.64,  74.10) 04/25/2020   12:15:01  ( -79.63,  74.03)    1.48                30
 04/28/2020   03:41:35   (  79.51,  21.46) 04/28/2020   03:41:14  (  79.52,  21.52)    1.37                21
 04/28/2020   04:30:57   ( -79.71,-169.50) 04/28/2020   04:31:54  ( -79.70,-169.60)    2.20                57
 04/30/2020   19:08:43   ( -79.28, -31.83) 04/30/2020   19:07:32  ( -79.28, -31.91)    1.80                71
 04/30/2020   19:58:01   (  79.58, 137.81) 04/30/2020   19:58:07  (  79.58, 137.86)    1.20                 6
 05/03/2020   11:25:08   ( -79.39,  84.74) 05/03/2020   11:24:24  ( -79.38,  84.67)    1.65                44