Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 7 29.  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)
 07/30/2017   11:24:47   ( -79.33,  84.35) 07/30/2017   11:24:33  ( -79.33,  84.43)    1.94                14
 07/30/2017   12:14:07   (  79.55,-106.51) 07/30/2017   12:15:11  (  79.54,-106.58)    1.37                64
 08/02/2017   02:51:52   (  79.15,  31.48) 08/02/2017   02:50:49  (  79.16,  31.56)    1.84                63
 08/02/2017   03:41:14   ( -79.36,-159.54) 08/02/2017   03:41:29  ( -79.36,-159.62)    1.70                15
 08/04/2017   19:08:20   (  79.18, 147.54) 08/04/2017   19:07:46  (  79.18, 147.48)    1.44                34
 08/04/2017   19:57:39   ( -79.51, -42.68) 08/04/2017   19:58:22  ( -79.51, -42.61)    1.59                43
 08/07/2017   11:24:44   (  79.36, -95.41) 08/07/2017   11:24:38  (  79.37, -95.31)    2.22                 6
 08/07/2017   12:14:06   ( -79.57,  73.64) 08/07/2017   12:15:18  ( -79.56,  73.59)    1.01                72
 08/10/2017   02:51:54   ( -79.09,-148.93) 08/10/2017   02:51:00  ( -79.08,-149.05)    2.55                54
 08/10/2017   03:41:11   (  79.42,  20.86) 08/10/2017   03:41:34  (  79.42,  20.87)    0.01                23
 08/12/2017   19:08:16   ( -79.30, -31.71) 08/12/2017   19:07:50  ( -79.30, -31.61)    2.16                26