Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 11 3.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/05/2013   02:06:44   ( -68.49, -33.02) ( -68.47, -32.99)    2.36                29
 11/05/2013   02:57:27   (  68.32, 134.51) (  68.30, 134.45)    3.10                46
 11/07/2013   17:32:59   (  68.71, -84.85) (  68.64, -84.54)   15.17                72
 11/07/2013   18:23:38   ( -68.45,  82.81) ( -68.43,  82.84)    3.24                 5
 11/07/2013   19:14:21   (  68.29,-109.67) (  68.31,-109.66)    2.52                71
 11/10/2013   09:49:51   (  68.53,  31.17) (  68.50,  31.18)    2.92                52
 11/10/2013   10:40:32   ( -68.38,-161.31) ( -68.40,-161.31)    3.24                19
 11/10/2013   11:31:02   (  67.51,   7.08) (  67.56,   5.34)   73.96                69
 11/13/2013   02:06:45   (  68.46, 147.04) (  68.45, 146.99)    2.86                28
 11/13/2013   02:57:27   ( -68.36, -45.51) ( -68.35, -45.50)    1.57                44
 11/15/2013   17:33:00   ( -68.78,  95.09) ( -68.70,  95.54)   20.20                72
 11/15/2013   18:23:39   (  68.41, -97.11) (  68.41, -97.17)    2.49                 3
 11/15/2013   19:14:21   ( -68.30,  70.34) ( -68.31,  70.35)    1.18                69