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, -29.50) 10/15/2017   19:08:15  ( -79.62, -29.46)    0.92                 2
 10/15/2017   19:55:54   (  81.83, 177.98) 10/15/2017   19:57:07  (  81.29, 177.94)   59.66                73
 10/18/2017   10:35:23   (  79.45, -82.41) 10/18/2017   10:34:30  (  79.46, -82.38)    0.75                53
 10/18/2017   11:24:45   ( -79.66,  86.69) 10/18/2017   11:25:09  ( -79.66,  86.67)    0.50                24
 10/21/2017   02:51:50   (  79.53,  33.98) 10/21/2017   02:51:23  (  79.53,  33.99)    0.37                27
 10/21/2017   03:41:12   ( -79.73,-156.89) 10/21/2017   03:42:02  ( -79.73,-156.94)    1.03                50
 10/23/2017   19:08:16   (  79.63, 150.59) 10/23/2017   19:08:15  (  79.63, 150.62)    0.61                 1
 10/23/2017   19:56:22   ( -81.70, -13.52) 10/23/2017   19:57:36  ( -81.30, -13.20)   43.85                74
 10/26/2017   10:35:22   ( -79.49,  97.83) 10/26/2017   10:34:29  ( -79.49,  97.87)    0.87                53
 10/26/2017   11:24:41   (  79.73, -92.82) 10/26/2017   11:25:06  (  79.73, -92.74)    1.58                25
 10/29/2017   02:51:48   ( -79.58,-145.64) 10/29/2017   02:51:21  ( -79.59,-145.53)    2.43                27