Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 3 26.  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)
 03/31/2013   18:09:47   (  49.97, -78.95) 03/31/2013   18:09:38    (  49.49, -81.81)  212.01              9
 03/31/2013   19:51:52   (  49.98,-104.48) 03/31/2013   19:51:08    (  49.49,-107.18)  201.90             44
 03/31/2013   21:30:04   (  36.61,-124.98) 03/31/2013   21:28:47    (  36.11,-127.69)  248.33             77
 04/01/2013   06:33:24   (  26.70, -69.68) 04/01/2013   06:28:59    (  27.17, -71.82)  218.57            265
 04/01/2013   08:13:43   (  32.82, -93.48) 04/01/2013   08:08:45    (  33.24, -95.51)  194.40            298
 04/01/2013   09:56:21   (  30.89,-119.56) 04/01/2013   09:50:49    (  31.25,-121.45)  184.61            332
 04/01/2013   17:58:53   (  49.99, -76.23) 04/01/2013   17:50:43    (  49.80, -77.19)   71.96            490
 04/01/2013   19:40:57   (  49.95,-101.73) 04/01/2013   19:32:19    (  50.15,-102.72)   74.46            518