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   19:08:16   ( -79.65, -29.28) 10/15/2017   19:08:14  ( -79.65, -29.18)    2.03                 2
 10/15/2017   19:55:55   (  81.83, 177.55) 10/15/2017   19:57:08  (  81.30, 177.55)   58.94                73
 10/18/2017   10:35:22   (  79.49, -82.16) 10/18/2017   10:34:29  (  79.49, -82.11)    1.05                53
 10/18/2017   11:24:43   ( -79.72,  87.18) 10/18/2017   11:25:07  ( -79.73,  87.23)    0.98                24
 10/21/2017   02:51:49   (  79.56,  34.21) 10/21/2017   02:51:22  (  79.56,  34.26)    1.14                27
 10/21/2017   03:41:10   ( -79.79,-156.41) 10/21/2017   03:42:00  ( -79.80,-156.37)    0.77                50
 10/23/2017   19:08:15   (  79.66, 150.81) 10/23/2017   19:08:14  (  79.66, 150.90)    2.08                 1
 10/23/2017   19:56:05   ( -81.81,  -6.52) 10/23/2017   19:57:19  ( -81.34,  -6.52)   53.25                74
 10/26/2017   10:35:23   ( -79.43,  97.46) 10/26/2017   10:34:31  ( -79.42,  97.34)    2.73                52
 10/26/2017   11:24:42   (  79.67, -93.18) 10/26/2017   11:25:08  (  79.67, -93.31)    2.60                26
 10/29/2017   02:51:48   ( -79.56,-145.78) 10/29/2017   02:51:22  ( -79.56,-145.80)    0.45                26