Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 10 4.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2013   17:32:57   (  69.31, -85.73) (  69.17, -83.92)   73.07                68
 10/06/2013   18:23:24   ( -68.43,  82.78) ( -68.45,  82.81)    2.88                22
 10/06/2013   19:14:08   (  68.29,-109.73) (  68.28,-109.75)    1.51                54
 10/09/2013   09:49:39   (  68.50,  31.14) (  68.49,  31.11)    2.00                64
 10/09/2013   10:40:20   ( -68.37,-161.36) ( -68.38,-161.38)    2.08                 7
 10/09/2013   11:30:57   (  67.86,   6.59) (  67.93,   5.73)   37.12                71
 10/12/2013   02:06:34   (  68.45, 146.99) (  68.45, 146.96)    1.23                34
 10/12/2013   02:57:16   ( -68.36, -45.58) ( -68.35, -45.53)    2.51                38
 10/14/2013   17:32:52   ( -68.84,  94.93) ( -68.74,  95.56)   27.63                71
 10/14/2013   18:23:30   (  68.40, -97.17) (  68.39, -97.22)    1.80                 4
 10/14/2013   19:14:12   ( -68.31,  70.26) ( -68.30,  70.30)    1.93                68
 10/17/2013   09:49:43   ( -68.52,-148.87) ( -68.50,-148.84)    2.44                49
 10/17/2013   10:40:26   (  68.35,  18.66) (  68.37,  18.65)    2.34                27
 10/17/2013   11:30:52   ( -67.40,-172.83) ( -67.44,-174.79)   83.90                68