Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 4 21.  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)
 04/21/2012   07:30:20   (  49.92, -78.92) 04/21/2012   07:32:01    (  50.39, -81.45)  187.41            101
 04/21/2012   09:12:26   (  49.89,-104.46) 04/21/2012   09:13:32    (  50.33,-106.85)  177.48             66
 04/21/2012   17:20:34   (  49.97, -67.74) 04/21/2012   17:18:53    (  49.74, -69.15)  104.40            101
 04/21/2012   19:02:38   (  49.95, -93.25) 04/21/2012   19:00:22    (  49.74, -94.53)   94.26            136
 04/21/2012   20:44:44   (  49.99,-118.79) 04/21/2012   20:41:53    (  49.81,-119.93)   83.99            171
 04/22/2012   07:26:04   (  27.35, -83.88) 04/22/2012   07:19:33    (  27.44, -84.41)   53.74            391
 04/22/2012   09:10:15   (  20.02,-111.28) 04/22/2012   09:03:08    (  20.11,-111.65)   39.28            427