Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 2 22.  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)
 02/22/2013   08:14:50   (  49.92, -89.08) 02/22/2013   08:15:45    (  50.60, -92.35)  244.97             55
 02/22/2013   09:56:55   (  49.90,-114.60) 02/22/2013   09:57:16    (  50.54,-117.76)  235.22             21
 02/22/2013   18:05:03   (  49.99, -77.97) 02/22/2013   18:02:39    (  49.59, -80.16)  163.30            144
 02/22/2013   19:47:07   (  49.95,-103.47) 02/22/2013   19:44:09    (  49.59,-105.53)  153.43            178
 02/22/2013   21:26:13   (  39.65,-124.99) 02/22/2013   21:22:41    (  39.29,-127.00)  177.90            212
 02/23/2013   08:11:03   (  25.24, -94.58) 02/23/2013   08:03:55    (  25.54, -95.94)  140.40            428
 02/23/2013   09:53:41   (  23.31,-120.60) 02/23/2013   09:45:59    (  23.55,-121.82)  127.58            462