Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 11 9.  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)
 11/11/2017   10:35:32   ( -79.44,  97.52) 11/11/2017   10:34:28  ( -79.44,  97.56)    0.69                64
 11/11/2017   11:24:52   (  79.65, -93.33) 11/11/2017   11:25:06  (  79.65, -93.39)    1.25                14
 11/14/2017   02:52:01   ( -79.47,-146.39) 11/14/2017   02:51:22  ( -79.46,-146.48)    1.96                39
 11/14/2017   03:41:18   (  79.79,  23.58) 11/14/2017   03:41:56  (  79.80,  23.69)    2.39                38
 11/16/2017   19:08:26   ( -79.64, -29.31) 11/16/2017   19:08:11  ( -79.65, -29.17)    2.86                15
 11/16/2017   19:57:46   (  79.84, 139.88) 11/16/2017   19:58:49  (  79.84, 139.91)    0.70                63
 11/19/2017   10:35:33   (  79.44, -82.44) 11/19/2017   10:34:26  (  79.45, -82.40)    0.95                67
 11/19/2017   11:24:53   ( -79.72,  87.20) 11/19/2017   11:25:03  ( -79.73,  87.32)    2.43                10
 11/22/2017   02:51:58   (  79.56,  34.25) 11/22/2017   02:51:16  (  79.56,  34.31)    1.31                42