Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 11 28.  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)
 11/30/2017   02:51:59   ( -79.57,-145.65) 11/30/2017   02:51:14  ( -79.58,-145.51)    3.00                45
 11/30/2017   03:41:20   (  79.75,  23.30) 11/30/2017   03:41:53  (  79.74,  23.26)    0.80                33
 12/02/2017   19:08:27   ( -79.59, -29.60) 12/02/2017   19:08:08  ( -79.59, -29.65)    1.04                19
 12/02/2017   19:57:46   (  79.84, 139.91) 12/02/2017   19:58:44  (  79.85, 139.97)    1.44                58
 12/05/2017   10:35:33   (  79.41, -82.62) 12/05/2017   10:34:22  (  79.41, -82.68)    1.32                71
 12/05/2017   11:24:52   ( -79.72,  87.21) 12/05/2017   11:24:58  ( -79.72,  87.31)    2.01                 6
 12/08/2017   02:51:56   (  79.57,  34.39) 12/08/2017   02:51:10  (  79.58,  34.49)    2.22                46
 12/08/2017   03:41:18   ( -79.76,-156.55) 12/08/2017   03:41:50  ( -79.76,-156.58)    0.63                32
 12/10/2017   19:08:23   (  79.61, 150.57) 12/10/2017   19:08:03  (  79.61, 150.57)    0.29                20