Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 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)
 05/12/2019   03:41:37   (  79.45,  21.00) 05/12/2019   03:41:26  (  79.44,  20.95)    1.12                11
 05/12/2019   04:30:56   ( -79.75,-169.22) 05/12/2019   04:32:02  ( -79.75,-169.08)    2.84                66
 05/14/2019   19:08:42   ( -79.35, -31.41) 05/14/2019   19:07:41  ( -79.36, -31.29)    2.57                61
 05/14/2019   19:58:04   (  79.50, 137.25) 05/14/2019   19:58:21  (  79.50, 137.17)    1.66                17
 05/17/2019   11:25:09   ( -79.41,  84.85) 05/17/2019   11:24:36  ( -79.41,  84.92)    1.53                33
 05/17/2019   12:14:30   (  79.59,-106.24) 05/17/2019   12:15:15  (  79.58,-106.35)    2.39                45
 05/20/2019   03:41:35   ( -79.46,-158.90) 05/20/2019   03:41:30  ( -79.47,-158.89)    0.30                 5
 05/20/2019   04:30:53   (  79.75,  10.83) 05/20/2019   04:32:05  (  79.76,  10.98)    3.07                72
 05/22/2019   19:08:39   (  79.35, 148.59) 05/22/2019   19:07:44  (  79.36, 148.70)    2.26                55