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   03:41:38   (  79.44,  20.92) 05/12/2019   03:41:27  (  79.43,  20.87)    1.07                11
 05/12/2019   04:30:57   ( -79.74,-169.30) 05/12/2019   04:32:03  ( -79.74,-169.17)    2.81                66
 05/14/2019   19:08:42   ( -79.34, -31.49) 05/14/2019   19:07:41  ( -79.35, -31.36)    2.64                61
 05/14/2019   19:58:03   (  79.53, 137.43) 05/14/2019   19:58:20  (  79.52, 137.36)    1.49                17
 05/17/2019   11:25:09   ( -79.40,  84.77) 05/17/2019   11:24:36  ( -79.40,  84.85)    1.77                33
 05/17/2019   12:14:30   (  79.58,-106.32) 05/17/2019   12:15:15  (  79.58,-106.42)    2.09                45
 05/20/2019   03:41:35   ( -79.49,-158.72) 05/20/2019   03:41:30  ( -79.49,-158.68)    0.70                 5
 05/20/2019   04:30:56   (  79.67,  10.20) 05/20/2019   04:32:09  (  79.66,  10.07)    2.88                73
 05/22/2019   19:08:40   (  79.34, 148.52) 05/22/2019   19:07:45  (  79.35, 148.65)    2.99                55
 05/22/2019   19:58:02   ( -79.54, -42.46) 05/22/2019   19:58:25  ( -79.54, -42.49)    0.59                23
 05/25/2019   11:25:05   (  79.43, -94.99) 05/25/2019   11:24:38  (  79.44, -94.91)    1.73                27