Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 8 27.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/27/2013   18:22:52   (  68.62, -97.43) (  68.55, -97.10)   15.36                71
 08/27/2013   19:13:30   ( -68.34,  70.26) ( -68.32,  70.26)    1.24                 5
 08/27/2013   20:04:14   (  68.19,-122.24) (  68.22,-122.22)    3.33                72
 08/30/2013   10:39:45   (  68.39,  18.64) (  68.39,  18.58)    2.26                49
 08/30/2013   11:30:26   ( -68.27,-173.89) ( -68.28,-173.91)    1.66                22
 08/30/2013   12:20:54   (  67.26,  -5.34) (  67.27,  -7.43)   89.85                67
 09/02/2013   02:06:15   ( -69.38, -34.25) ( -69.27, -32.08)   86.26                67
 09/02/2013   02:56:43   (  68.38, 134.41) (  68.38, 134.45)    1.48                20
 09/02/2013   03:47:23   ( -68.20, -58.04) ( -68.22, -58.11)    3.24                49
 09/04/2013   18:22:56   ( -68.46,  82.76) ( -68.47,  82.79)    1.41                69
 09/04/2013   19:13:40   (  68.32,-109.74) (  68.30,-109.77)    3.10                 7
 09/04/2013   20:04:18   ( -68.04,  57.94) ( -68.08,  57.61)   14.64                73
 09/07/2013   10:39:53   ( -68.41,-161.39) ( -68.43,-161.37)    2.75                41
 09/07/2013   11:30:37   (  68.27,   6.09) (  68.25,   6.06)    2.10                35
 09/10/2013   02:06:16   (  68.91, 146.38) (  68.80, 147.34)   40.30                70
 09/10/2013   02:56:49   ( -68.35, -45.56) ( -68.37, -45.56)    2.26                13
 09/10/2013   03:47:33   (  68.22, 121.93) (  68.19, 121.87)    3.42                63