Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 7 26.  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)
 07/27/2017   19:08:21   ( -79.20, -32.33) 07/27/2017   19:07:39  ( -79.20, -32.35)    0.40                42
 07/27/2017   19:57:38   (  79.54, 137.54) 07/27/2017   19:58:13  (  79.54, 137.68)    2.92                35
 07/30/2017   11:24:47   ( -79.32,  84.31) 07/30/2017   11:24:33  ( -79.33,  84.39)    1.77                14
 07/30/2017   12:14:07   (  79.54,-106.58) 07/30/2017   12:15:11  (  79.53,-106.64)    1.40                64
 08/02/2017   02:51:53   (  79.14,  31.43) 08/02/2017   02:50:50  (  79.15,  31.50)    1.63                63
 08/02/2017   03:41:15   ( -79.36,-159.57) 08/02/2017   03:41:30  ( -79.35,-159.67)    2.05                15
 08/04/2017   19:08:20   (  79.18, 147.50) 08/04/2017   19:07:46  (  79.17, 147.42)    1.93                34
 08/04/2017   19:57:39   ( -79.50, -42.70) 08/04/2017   19:58:22  ( -79.51, -42.66)    0.96                43
 08/07/2017   11:24:44   (  79.36, -95.43) 08/07/2017   11:24:38  (  79.36, -95.37)    1.33                 6