Simultaneous Nadir Overpasses (SNOs) near equator between NOAA-19 and NPP
TLE Epoch: 2013 3 9.  Predictions up to the next  14.0 days:

Date(NOAA-19)     Time(NOAA-19)   NOAA-19 Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 03/20/2013   08:09:30   (  29.98,  76.59) 03/20/2013   08:01:09    (  29.76,  75.59)   98.89            501
 03/20/2013   09:00:34   ( -29.99,-116.18) 03/20/2013   08:51:51    ( -29.78,-117.09)   90.18            523
 03/20/2013   09:51:35   (  29.99,  51.06) 03/20/2013   09:42:40    (  29.82,  50.20)   85.28            535
 03/20/2013   10:42:38   ( -29.94,-141.69) 03/20/2013   10:33:21    ( -29.78,-142.46)   76.64            557
 03/20/2013   11:33:39   (  29.95,  25.55) 03/20/2013   11:24:10    (  29.82,  24.83)   71.79            569
 03/20/2013   12:24:43   ( -29.96,-167.21) 03/20/2013   12:14:52    ( -29.84,-167.85)   63.08            591
 03/20/2013   13:15:44   (  29.97,   0.03) 03/20/2013   13:05:44    (  30.05,  -0.61)   62.72            600