Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 9 7.  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)
 09/07/2016   10:39:38   (  68.48,  18.75) 09/07/2016   10:40:40  (  68.46,  18.76)    2.20                62
 09/07/2016   11:30:19   ( -68.35,-173.75) 09/07/2016   11:30:10  ( -68.34,-173.75)    0.55                 9
 09/07/2016   12:20:55   (  67.79,  -5.74) 09/07/2016   12:19:44  (  67.84,  -6.69)   40.34                71
 09/10/2016   02:56:30   (  68.41, 134.62) 09/10/2016   02:57:07  (  68.41, 134.59)    1.31                37
 09/10/2016   03:47:11   ( -68.28, -57.89) 09/10/2016   03:46:37  ( -68.30, -57.92)    2.13                34
 09/12/2016   18:22:49   ( -69.06,  82.22) 09/12/2016   18:23:58  ( -68.96,  83.52)   52.79                69
 09/12/2016   19:13:22   (  68.40,-109.59) 09/12/2016   19:13:32  (  68.41,-109.53)    2.62                10
 09/12/2016   20:04:03   ( -68.27,  57.90) 09/12/2016   20:03:03  ( -68.24,  57.91)    3.37                60
 09/15/2016   10:39:30   ( -68.47,-161.20) 09/15/2016   10:40:32  ( -68.45,-161.23)    2.32                62
 09/15/2016   11:30:14   (  68.34,   6.27) 09/15/2016   11:29:59  (  68.34,   6.28)    0.86                15
 09/15/2016   12:20:47   ( -67.78, 174.30) 09/15/2016   12:19:36  ( -67.83, 173.33)   41.44                71
 09/18/2016   02:56:22   ( -68.41, -45.35) 09/18/2016   02:56:58  ( -68.42, -45.36)    2.08                36
 09/18/2016   03:47:06   (  68.28, 122.12) 09/18/2016   03:46:25  (  68.31, 122.14)    3.10                41
 09/20/2016   18:22:39   (  68.81, -97.42) 09/20/2016   18:23:50  (  68.72, -96.74)   29.37                71
 09/20/2016   19:13:15   ( -68.41,  70.43) 09/20/2016   19:13:24  ( -68.39,  70.49)    2.75                 9
 09/20/2016   20:03:58   (  68.23,-122.03) 09/20/2016   20:02:52  (  68.22,-122.07)    2.00                66