Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2013 7 20.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B)   METOP-B Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/02/2013   17:53:14   (  73.30, -94.86) (  73.31, -97.51)   84.57                67
 08/02/2013   18:43:58   ( -73.24,  72.32) ( -73.25,  69.94)   76.23                68
 08/02/2013   19:34:42   (  72.98,-120.91) (  73.01,-122.22)   42.78                71
 08/02/2013   20:25:26   ( -72.91,  46.28) ( -72.95,  45.22)   34.69                72
 08/02/2013   21:16:09   (  72.70,-146.83) (  72.71,-146.95)    4.17                74
 08/02/2013   22:06:52   ( -72.69,  20.47) ( -72.70,  20.38)    3.16                73
 08/02/2013   22:57:31   (  72.68,-172.22) (  72.65,-172.22)    2.46                67
 08/02/2013   23:48:14   ( -72.67,  -4.92) ( -72.65,  -4.89)    2.33                66
 08/03/2013   00:38:53   (  72.65, 162.40) (  72.65, 162.40)    0.22                59
 08/03/2013   01:29:36   ( -72.64, -30.30) ( -72.65, -30.26)    1.29                58
 08/03/2013   02:20:15   (  72.63, 137.01) (  72.65, 137.03)    2.70                51