Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 5 11.  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)
 05/11/2020   11:25:08   (  79.45, -94.85) 05/11/2020   11:24:20  (  79.45, -94.74)    2.42                48
 05/11/2020   12:14:31   ( -79.60,  73.89) 05/11/2020   12:15:01  ( -79.60,  73.82)    1.31                30
 05/14/2020   03:41:36   (  79.48,  21.26) 05/14/2020   03:41:14  (  79.48,  21.26)    0.10                22
 05/14/2020   04:30:56   ( -79.75,-169.17) 05/14/2020   04:31:51  ( -79.76,-169.04)    2.67                55
 05/16/2020   19:08:42   ( -79.33, -31.52) 05/16/2020   19:07:28  ( -79.33, -31.45)    1.51                74
 05/16/2020   19:58:03   (  79.51, 137.34) 05/16/2020   19:58:07  (  79.51, 137.25)    1.79                 4
 05/19/2020   11:25:09   ( -79.39,  84.80) 05/19/2020   11:24:21  ( -79.39,  84.79)    0.18                48
 05/19/2020   12:14:30   (  79.57,-106.34) 05/19/2020   12:15:00  (  79.56,-106.49)    3.17                30
 05/22/2020   03:41:36   ( -79.46,-158.91) 05/22/2020   03:41:14  ( -79.45,-158.96)    1.20                22
 05/22/2020   04:30:54   (  79.74,  10.77) 05/22/2020   04:31:49  (  79.74,  10.88)    2.35                55
 05/24/2020   19:08:40   (  79.34, 148.56) 05/24/2020   19:07:26  (  79.35, 148.68)    2.62                74