Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 10 15.  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)
 10/15/2017   19:08:17   ( -79.62, -29.52) 10/15/2017   19:08:15  ( -79.62, -29.46)    1.34                 2
 10/15/2017   19:55:50   (  81.82, 179.66) 10/15/2017   19:57:03  (  81.27, 179.50)   61.91                73
 10/18/2017   10:35:23   (  79.45, -82.44) 10/18/2017   10:34:30  (  79.46, -82.38)    1.57                53
 10/18/2017   11:24:44   ( -79.69,  86.93) 10/18/2017   11:25:08  ( -79.69,  86.95)    0.30                24
 10/21/2017   02:51:49   (  79.56,  34.19) 10/21/2017   02:51:22  (  79.56,  34.26)    1.49                27
 10/21/2017   03:41:11   ( -79.76,-156.66) 10/21/2017   03:42:01  ( -79.76,-156.65)    0.10                50
 10/23/2017   19:08:15   (  79.66, 150.80) 10/23/2017   19:08:14  (  79.66, 150.90)    2.18                 1
 10/23/2017   19:56:11   ( -81.79,  -9.01) 10/23/2017   19:57:25  ( -81.34,  -8.88)   50.06                74
 10/26/2017   10:35:21   ( -79.51,  98.01) 10/26/2017   10:34:28  ( -79.52,  98.14)    2.83                53
 10/26/2017   11:24:42   (  79.68, -93.18) 10/26/2017   11:25:08  (  79.67, -93.31)    2.80                26
 10/29/2017   02:51:49   ( -79.53,-146.01) 10/29/2017   02:51:23  ( -79.52,-146.07)    1.38                26