Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 8 23.  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)
 08/24/2019   02:51:57   (  79.23,  31.95) 08/24/2019   02:51:19  (  79.23,  31.96)    0.21                38
 08/24/2019   03:41:18   ( -79.46,-158.86) 08/24/2019   03:41:58  ( -79.45,-158.98)    2.71                40
 08/26/2019   19:08:22   (  79.34, 148.60) 08/26/2019   19:08:10  (  79.34, 148.61)    0.39                12
 08/26/2019   19:57:44   ( -79.54, -42.43) 08/26/2019   19:58:50  ( -79.53, -42.55)    2.59                66
 08/29/2019   10:35:31   ( -79.11,  95.36) 08/29/2019   10:34:28  ( -79.11,  95.31)    1.17                63
 08/29/2019   11:24:49   (  79.42, -95.03) 08/29/2019   11:25:03  (  79.42, -94.99)    0.76                14
 09/01/2019   02:51:57   ( -79.23,-148.04) 09/01/2019   02:51:20  ( -79.23,-148.06)    0.47                37
 09/01/2019   03:41:15   (  79.53,  21.60) 09/01/2019   03:41:55  (  79.53,  21.68)    1.63                40
 09/03/2019   19:08:23   ( -79.34, -31.45) 09/03/2019   19:08:12  ( -79.34, -31.42)    0.71                11
 09/03/2019   19:57:42   (  79.59, 137.95) 09/03/2019   19:58:48  (  79.61, 138.08)    2.88                66
 09/06/2019   10:35:30   (  79.08, -84.87) 09/06/2019   10:34:28  (  79.07, -84.92)    1.09                62