Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 9 1.  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)
 09/03/2019   19:08:23   ( -79.32, -31.59) 09/03/2019   19:08:12  ( -79.32, -31.57)    0.56                11
 09/03/2019   19:57:41   (  79.62, 138.12) 09/03/2019   19:58:47  (  79.62, 138.24)    2.50                66
 09/06/2019   10:35:30   (  79.10, -84.71) 09/06/2019   10:34:28  (  79.09, -84.77)    1.28                62
 09/06/2019   11:24:49   ( -79.42,  84.99) 09/06/2019   11:25:04  ( -79.43,  85.08)    2.15                15
 09/09/2019   02:51:55   (  79.24,  32.05) 09/09/2019   02:51:19  (  79.24,  32.09)    0.87                36
 09/09/2019   03:41:17   ( -79.44,-158.97) 09/09/2019   03:41:59  ( -79.44,-159.08)    2.20                42
 09/11/2019   19:08:22   (  79.26, 148.04) 09/11/2019   19:08:13  (  79.25, 147.91)    2.90                 9
 09/11/2019   19:57:41   ( -79.58, -42.17) 09/11/2019   19:58:49  ( -79.58, -42.15)    0.35                68
 09/14/2019   10:35:30   ( -79.05,  94.98) 09/14/2019   10:34:30  ( -79.04,  94.88)    2.19                60