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   ( -79.52,-158.52) 04/20/2020   03:41:15  ( -79.52,-158.45)    1.36                24
 04/20/2020   04:31:00   (  79.70,  10.44) 04/20/2020   04:31:54  (  79.69,  10.34)    2.22                54
 04/22/2020   19:09:17   (  77.99, 141.15) 04/22/2020   19:08:03  (  78.11, 140.70)   17.24                74
 04/22/2020   19:58:06   ( -79.56, -42.32) 04/22/2020   19:58:09  ( -79.56, -42.34)    0.34                 3
 04/25/2020   11:25:10   (  79.44, -94.92) 04/25/2020   11:24:22  (  79.45, -94.83)    2.03                48
 04/25/2020   12:14:32   ( -79.64,  74.11) 04/25/2020   12:15:02  ( -79.63,  74.04)    1.55                30
 04/28/2020   03:41:35   (  79.51,  21.46) 04/28/2020   03:41:14  (  79.52,  21.52)    1.30                21
 04/28/2020   04:30:58   ( -79.67,-169.75) 04/28/2020   04:31:55  ( -79.67,-169.86)    2.30                57
 04/30/2020   19:08:43   ( -79.29, -31.80) 04/30/2020   19:07:32  ( -79.28, -31.89)    1.95                71