Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 2 15.  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   (  49.91, -89.08) 02/22/2013   08:15:46    (  50.59, -92.36)  245.19             56
 02/22/2013   09:56:55   (  49.90,-114.60) 02/22/2013   09:57:17    (  50.53,-117.76)  235.44             22
 02/22/2013   18:05:02   (  50.00, -77.97) 02/22/2013   18:02:39    (  49.59, -80.16)  163.53            143
 02/22/2013   19:47:06   (  49.95,-103.47) 02/22/2013   19:44:09    (  49.59,-105.54)  153.66            177
 02/22/2013   21:26:12   (  39.66,-124.99) 02/22/2013   21:22:41    (  39.30,-127.01)  178.18            211
 02/23/2013   08:11:02   (  25.30, -94.56) 02/23/2013   08:03:55    (  25.60, -95.92)  140.66            427
 02/23/2013   09:53:40   (  23.37,-120.58) 02/23/2013   09:45:59    (  23.61,-121.81)  127.86            461