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)    2.14                 2
 10/15/2017   19:55:49   (  81.82,-179.91) 10/15/2017   19:57:02  (  81.26, 179.89)   62.36                73
 10/18/2017   10:35:22   (  79.48, -82.20) 10/18/2017   10:34:29  (  79.49, -82.11)    2.02                53
 10/18/2017   11:24:43   ( -79.72,  87.16) 10/18/2017   11:25:07  ( -79.73,  87.23)    1.47                24
 10/21/2017   02:51:48   (  79.59,  34.42) 10/21/2017   02:51:21  (  79.59,  34.54)    2.58                27
 10/21/2017   03:41:10   ( -79.79,-156.45) 10/21/2017   03:42:00  ( -79.80,-156.37)    1.79                50
 10/23/2017   19:08:17   (  79.57, 150.19) 10/23/2017   19:08:17  (  79.57, 150.07)    2.36                 0
 10/23/2017   19:55:53   ( -81.83,  -1.50) 10/23/2017   19:57:06  ( -81.28,  -1.44)   60.55                73
 10/26/2017   10:35:22   ( -79.46,  97.63) 10/26/2017   10:34:30  ( -79.46,  97.60)    0.44                52
 10/26/2017   11:24:40   (  79.73, -92.75) 10/26/2017   11:25:06  (  79.73, -92.74)    0.26                26
 10/29/2017   02:51:46   ( -79.61,-145.38) 10/29/2017   02:51:20  ( -79.62,-145.25)    2.64                26