Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2014 5 9.  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)
 05/10/2014   15:05:21   (  68.88, -47.24) 05/10/2014   15:06:22  (  68.87, -47.25)    1.62                61
 05/10/2014   15:56:02   ( -68.76, 120.26) 05/10/2014   15:55:52  ( -68.76, 120.25)    0.60                10
 05/10/2014   16:46:37   (  68.13, -71.62) 05/10/2014   16:45:27  (  68.21, -72.78)   48.81                70
 05/13/2014   07:22:20   (  68.86,  68.57) 05/13/2014   07:22:55  (  68.83,  68.58)    2.90                35
 05/13/2014   08:13:01   ( -68.73,-123.94) 05/13/2014   08:12:25  ( -68.73,-123.92)    0.63                36
 05/15/2014   22:48:43   ( -69.40,  16.28) 05/15/2014   22:49:53  ( -69.33,  17.44)   46.31                70
 05/15/2014   23:39:18   (  68.79,-175.56) 05/15/2014   23:39:28  (  68.78,-175.63)    2.71                10
 05/16/2014   00:30:00   ( -68.71,  -8.14) 05/16/2014   00:28:58  ( -68.68,  -8.12)    3.24                62
 05/18/2014   15:05:32   ( -68.90, 132.74) 05/18/2014   15:06:32  ( -68.88, 132.72)    2.99                60
 05/18/2014   15:56:16   (  68.77, -59.77) 05/18/2014   15:55:59  (  68.76, -59.78)    1.47                17
 05/18/2014   16:46:48   ( -68.15, 108.36) 05/18/2014   16:45:37  ( -68.22, 107.19)   48.92                71
 05/21/2014   07:22:30   ( -68.83,-111.39) 05/21/2014   07:23:04  ( -68.84,-111.45)    2.63                34
 05/21/2014   08:13:14   (  68.71,  56.09) 05/21/2014   08:12:31  (  68.72,  56.04)    2.34                43