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, -29.26) 10/15/2017   19:08:14  ( -79.65, -29.18)    1.73                 2
 10/15/2017   19:55:49   (  81.82,-179.91) 10/15/2017   19:57:02  (  81.26, 179.89)   62.41                73
 10/18/2017   10:35:22   (  79.49, -82.19) 10/18/2017   10:34:29  (  79.49, -82.11)    1.69                53
 10/18/2017   11:24:44   ( -79.69,  86.92) 10/18/2017   11:25:08  ( -79.69,  86.95)    0.75                24
 10/21/2017   02:51:49   (  79.56,  34.18) 10/21/2017   02:51:22  (  79.56,  34.26)    1.74                27
 10/21/2017   03:41:10   ( -79.80,-156.40) 10/21/2017   03:42:00  ( -79.80,-156.37)    0.64                50
 10/23/2017   19:08:15   (  79.66, 150.78) 10/23/2017   19:08:14  (  79.66, 150.90)    2.57                 1
 10/23/2017   19:56:07   ( -81.81,  -7.35) 10/23/2017   19:57:21  ( -81.34,  -7.31)   52.24                74
 10/26/2017   10:35:24   ( -79.40,  97.21) 10/26/2017   10:34:32  ( -79.39,  97.07)    2.89                52
 10/26/2017   11:24:42   (  79.67, -93.20) 10/26/2017   11:25:08  (  79.67, -93.31)    2.26                26
 10/29/2017   02:51:48   ( -79.56,-145.77) 10/29/2017   02:51:22  ( -79.56,-145.80)    0.71                26