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   ( -79.61, -29.52) 10/15/2017   19:08:15  ( -79.62, -29.46)    1.41                 2
 10/15/2017   19:55:53   (  81.83, 178.40) 10/15/2017   19:57:06  (  81.29, 178.34)   60.16                73
 10/18/2017   10:35:23   (  79.45, -82.42) 10/18/2017   10:34:30  (  79.46, -82.38)    1.01                53
 10/18/2017   11:24:44   ( -79.69,  86.94) 10/18/2017   11:25:08  ( -79.69,  86.95)    0.18                24
 10/21/2017   02:51:49   (  79.56,  34.22) 10/21/2017   02:51:22  (  79.56,  34.26)    0.82                27
 10/21/2017   03:41:11   ( -79.77,-156.64) 10/21/2017   03:42:01  ( -79.76,-156.65)    0.25                50
 10/23/2017   19:08:15   (  79.66, 150.84) 10/23/2017   19:08:14  (  79.66, 150.90)    1.34                 1
 10/23/2017   19:56:15   ( -81.76, -10.66) 10/23/2017   19:57:29  ( -81.33, -10.46)   47.72                74
 10/26/2017   10:35:21   ( -79.52,  98.05) 10/26/2017   10:34:28  ( -79.52,  98.14)    1.99                53
 10/26/2017   11:24:40   (  79.76, -92.58) 10/26/2017   11:25:05  (  79.76, -92.46)    2.58                25
 10/29/2017   02:51:50   ( -79.50,-146.22) 10/29/2017   02:51:24  ( -79.49,-146.34)    2.55                26