Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 3 25.  Predictions up to the next  10.0 days:

Date(NOAA-19)     Time(NOAA-19)   NOAA-19 Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 03/27/2012   18:21:35   (  37.65, -79.26) 03/27/2012   18:25:10    (  37.07, -81.92)  243.98            215
 03/27/2012   20:04:15   (  39.64,-105.43) 03/27/2012   20:07:15    (  39.11,-107.95)  223.85            180
 03/28/2012   06:42:50   (  47.59, -67.93) 03/28/2012   06:42:08    (  47.93, -69.83)  147.18             42
 03/28/2012   08:25:30   (  45.55, -94.28) 03/28/2012   08:24:13    (  45.85, -96.04)  141.19             77
 03/28/2012   10:08:11   (  43.51,-120.58) 03/28/2012   10:06:18    (  43.81,-122.19)  133.97            113
 03/28/2012   18:14:25   (  49.99, -81.24) 03/28/2012   18:09:48    (  49.85, -81.88)   48.23            277
 03/28/2012   19:56:30   (  49.96,-106.75) 03/28/2012   19:51:18    (  49.86,-107.26)   38.05            312