Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2011 11 30.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/02/2011   02:06:00   ( -68.51, -32.94) ( -68.51, -32.94)    0.60                52
 12/02/2011   02:56:44   (  68.37, 134.54) (  68.36, 134.52)    2.13                24
 12/02/2011   03:47:11   ( -67.50, -57.05) ( -67.58, -58.76)   73.02                69
 12/04/2011   18:22:51   ( -68.47,  82.88) ( -68.46,  82.86)    1.94                36
 12/04/2011   19:13:35   (  68.34,-109.64) (  68.35,-109.63)    1.73                41
 12/07/2011   09:49:12   (  69.16,  30.41) (  69.09,  31.88)   58.93                69
 12/07/2011   10:39:42   ( -68.45,-161.32) ( -68.43,-161.32)    2.58                19
 12/07/2011   11:30:26   (  68.32,   6.16) (  68.32,   6.20)    1.44                58
 12/10/2011   02:05:52   (  68.57, 146.99) (  68.53, 147.04)    4.79                72
 12/10/2011   02:56:32   ( -68.39, -45.46) ( -68.37, -45.52)    3.48                 3
 12/10/2011   03:47:15   (  68.20, 122.09) (  68.20, 121.92)    6.88                72
 12/12/2011   18:22:41   (  68.52, -97.17) (  68.49, -97.14)    3.25                55
 12/12/2011   19:13:22   ( -68.40,  70.31) ( -68.39,  70.37)    2.52                16
 12/12/2011   20:03:54   (  67.62,-121.40) (  67.66,-122.84)   60.88                70