Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 3 31.  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)
 04/09/2012   06:18:57   (  36.89, -65.04) 04/09/2012   06:19:42    (  37.37, -67.28)  206.45             45
 04/09/2012   07:57:16   (  49.92, -85.68) 04/09/2012   07:57:28    (  50.33, -87.82)  159.38             12
 04/09/2012   09:39:43   (  48.68,-111.75) 04/09/2012   09:39:20    (  49.05,-113.76)  152.74             23
 04/09/2012   17:47:28   (  49.98, -74.49) 04/09/2012   17:44:20    (  49.81, -75.52)   76.49            188
 04/09/2012   19:29:33   (  49.96,-100.00) 04/09/2012   19:25:50    (  49.82,-100.90)   66.36            223