Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 7 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)
 07/15/2012   17:22:02   (  46.40, -66.69) 07/15/2012   17:23:04    (  45.93, -69.00)  185.85             62
 07/15/2012   19:04:43   (  48.45, -93.06) 07/15/2012   19:05:10    (  48.02, -95.22)  166.98             27
 07/15/2012   20:47:15   (  49.98,-119.26) 07/15/2012   20:47:08    (  49.63,-121.29)  150.64              7
 07/16/2012   07:25:55   (  36.84, -81.61) 07/16/2012   07:22:06    (  37.11, -83.07)  133.74            229
 07/16/2012   09:08:36   (  34.78,-107.77) 07/16/2012   09:04:11    (  35.07,-109.08)  123.52            265
 07/16/2012   18:54:22   (  49.94, -91.03) 07/16/2012   18:46:41    (  49.87, -91.27)   19.07            461
 07/16/2012   20:36:28   (  49.99,-116.57) 07/16/2012   20:28:13    (  49.99,-116.70)    9.27            495