Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 7 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)
 07/27/2012   18:35:06   (  41.14, -83.34) 07/27/2012   18:37:40    (  40.58, -86.11)  240.93            154
 07/27/2012   20:17:46   (  43.14,-109.58) 07/27/2012   20:19:45    (  42.61,-112.19)  220.71            119
 07/28/2012   06:56:19   (  44.13, -72.20) 07/28/2012   06:54:37    (  44.51, -74.22)  166.12            102
 07/28/2012   08:38:59   (  42.13, -98.46) 07/28/2012   08:36:42    (  42.48,-100.34)  159.40            137
 07/28/2012   10:21:39   (  40.12,-124.68) 07/28/2012   10:18:47    (  40.44,-126.42)  151.69            172
 07/28/2012   18:26:51   (  49.95, -84.13) 07/28/2012   18:21:17    (  49.79, -84.91)   58.47            334
 07/28/2012   20:08:57   (  49.99,-109.67) 07/28/2012   20:02:48    (  49.86,-110.31)   48.31            369