Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2014 5 10.  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   15:05:22   (  68.91, -47.28) 05/10/2014   15:06:22  (  68.89, -47.22)    3.23                60
 05/10/2014   15:56:03   ( -68.79, 120.22) 05/10/2014   15:55:52  ( -68.78, 120.28)    2.41                11
 05/10/2014   16:46:38   (  68.16, -71.65) 05/10/2014   16:45:27  (  68.23, -72.75)   46.05                71
 05/13/2014   07:22:19   (  68.84,  68.60) 05/13/2014   07:22:54  (  68.85,  68.59)    1.45                35
 05/13/2014   08:13:01   ( -68.76,-123.98) 05/13/2014   08:12:24  ( -68.74,-123.91)    3.35                37
 05/15/2014   22:48:43   ( -69.43,  16.23) 05/15/2014   22:49:53  ( -69.28,  17.37)   47.53                70
 05/15/2014   23:39:18   (  68.82,-175.60) 05/15/2014   23:39:26  (  68.84,-175.55)    2.94                 8
 05/16/2014   00:29:59   ( -68.68,  -8.10) 05/16/2014   00:28:57  ( -68.68,  -8.12)    0.73                62
 05/18/2014   15:05:33   ( -68.93, 132.70) 05/18/2014   15:06:31  ( -68.91, 132.77)    3.18                58
 05/18/2014   15:56:16   (  68.75, -59.74) 05/18/2014   15:55:59  (  68.74, -59.80)    2.49                17
 05/18/2014   16:46:48   ( -68.13, 108.39) 05/18/2014   16:45:38  ( -68.14, 107.11)   53.33                70
 05/21/2014   07:22:31   ( -68.86,-111.43) 05/21/2014   07:23:03  ( -68.86,-111.43)    0.53                32
 05/21/2014   08:13:15   (  68.74,  56.05) 05/21/2014   08:12:30  (  68.74,  56.07)    0.77                45
 05/23/2014   22:48:50   (  69.10,-163.31) 05/23/2014   22:50:01  (  69.04,-162.96)   15.84                71
 05/23/2014   23:39:29   ( -68.85,   4.36) 05/23/2014   23:39:33  ( -68.83,   4.41)    3.22                 4
 05/24/2014   00:30:12   (  68.68, 171.90) 05/24/2014   00:29:00  (  68.71, 171.90)    3.57                72