Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 7 17.  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)
 07/18/2016   18:23:24   (  69.18, -98.05) 07/18/2016   18:24:33  (  69.09, -96.45)   63.84                69
 07/18/2016   19:13:53   ( -68.39,  70.33) 07/18/2016   19:14:14  ( -68.37,  70.29)    2.49                21
 07/18/2016   20:04:37   (  68.27,-122.21) 07/18/2016   20:03:41  (  68.26,-122.21)    2.01                56
 07/21/2016   10:40:05   (  68.48,  18.67) 07/21/2016   10:41:12  (  68.51,  18.70)    3.30                67
 07/21/2016   11:30:46   ( -68.33,-173.82) 07/21/2016   11:30:43  ( -68.35,-173.85)    3.09                 3
 07/21/2016   12:21:26   (  68.00,  -6.09) 07/21/2016   12:20:13  (  68.06,  -6.55)   20.43                73
 07/24/2016   02:56:58   (  68.43, 134.51) 07/24/2016   02:57:42  (  68.43, 134.49)    1.20                44
 07/24/2016   03:47:40   ( -68.33, -58.04) 07/24/2016   03:47:12  ( -68.34, -58.00)    2.03                28
 07/26/2016   18:23:24   ( -69.39,  81.67) 07/26/2016   18:24:31  ( -69.26,  83.76)   83.37                67
 07/26/2016   19:13:52   (  68.43,-109.72) 07/26/2016   19:14:11  (  68.41,-109.65)    3.33                19
 07/26/2016   20:04:33   ( -68.27,  57.80) 07/26/2016   20:03:42  ( -68.26,  57.80)    1.14                51
 07/29/2016   10:40:01   ( -68.54,-161.39) 07/29/2016   10:41:12  ( -68.52,-161.29)    4.57                71
 07/29/2016   11:30:43   (  68.33,   6.19) 07/29/2016   11:30:40  (  68.34,   6.14)    2.21                 3
 07/29/2016   12:21:24   ( -68.17, 173.71) 07/29/2016   12:20:11  ( -68.19, 173.60)    5.43                73