Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 6 4.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/06/2016   02:57:13   (  68.43, 134.49) 06/06/2016   02:57:41  (  68.44, 134.50)    1.46                28
 06/06/2016   03:47:54   ( -68.31, -58.03) 06/06/2016   03:47:11  ( -68.33, -58.00)    2.49                43
 06/08/2016   18:23:28   ( -68.84,  82.40) 06/08/2016   18:24:39  ( -68.75,  83.12)   30.55                71
 06/08/2016   19:14:06   (  68.39,-109.69) 06/08/2016   19:14:11  (  68.37,-109.71)    2.46                 5
 06/08/2016   20:04:47   ( -68.26,  57.79) 06/08/2016   20:03:41  ( -68.26,  57.79)    0.64                66
 06/11/2016   10:40:16   ( -68.48,-161.35) 06/11/2016   10:41:13  ( -68.50,-161.32)    1.86                57
 06/11/2016   11:31:00   (  68.35,   6.13) 06/11/2016   11:30:41  (  68.33,   6.12)    2.27                19
 06/11/2016   12:21:30   ( -67.63, 174.35) 06/11/2016   12:20:20  ( -67.72, 173.04)   56.18                70
 06/14/2016   02:57:10   ( -68.45, -45.53) 06/14/2016   02:57:43  ( -68.45, -45.50)    1.12                33
 06/14/2016   03:47:54   (  68.32, 121.95) 06/14/2016   03:47:10  (  68.33, 122.00)    2.78                44
 06/16/2016   18:23:28   (  68.82, -97.57) 06/16/2016   18:24:39  (  68.70, -96.94)   28.68                71
 06/16/2016   19:14:03   ( -68.36,  70.35) 06/16/2016   19:14:13  ( -68.37,  70.29)    2.92                10
 06/16/2016   20:04:47   (  68.23,-122.18) 06/16/2016   20:03:40  (  68.25,-122.20)    2.49                67