Simultaneous Nadir Overpasses (SNOs) near equator between NOAA-19 and NPP
TLE Epoch: 2013 3 8.  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   (  29.99,  76.58) 03/20/2013   08:01:09    (  29.78,  75.59)   98.77            501
 03/20/2013   09:00:34   ( -30.00,-116.19) 03/20/2013   08:51:51    ( -29.80,-117.09)   90.06            523
 03/20/2013   09:51:34   (  29.95,  51.07) 03/20/2013   09:42:39    (  29.78,  50.21)   85.26            535
 03/20/2013   10:42:38   ( -29.96,-141.69) 03/20/2013   10:33:21    ( -29.80,-142.47)   76.55            557
 03/20/2013   11:33:39   (  29.97,  25.55) 03/20/2013   11:24:10    (  29.84,  24.82)   71.72            569
 03/20/2013   12:24:43   ( -29.97,-167.22) 03/20/2013   12:14:52    ( -29.86,-167.86)   63.01            591
 03/20/2013   13:15:44   (  29.98,   0.03) 03/20/2013   13:05:44    (  30.08,  -0.62)   62.94            600