Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 4 5.  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   06:18:59   (  36.98, -65.02) 04/09/2012   06:19:42    (  37.44, -67.27)  205.31             43
 04/09/2012   07:57:20   (  49.90, -85.71) 04/09/2012   07:57:29    (  50.34, -87.82)  158.72              9
 04/09/2012   09:39:49   (  48.55,-111.82) 04/09/2012   09:39:24    (  48.89,-113.83)  152.39             25
 04/09/2012   17:47:32   (  49.98, -74.50) 04/09/2012   17:44:21    (  49.79, -75.52)   75.68            191
 04/09/2012   19:29:37   (  49.96,-100.01) 04/09/2012   19:25:51    (  49.80,-100.90)   65.53            226
 04/09/2012   21:11:21   (  48.74,-124.99) 04/09/2012   21:07:00    (  48.60,-125.75)   57.41            261
 04/10/2012   07:55:11   (  20.04, -92.53) 04/10/2012   07:47:07    (  20.07, -92.63)   10.88            484
 04/10/2012   09:37:17   (  20.01,-118.06) 04/10/2012   09:28:40    (  19.89,-118.05)   13.26            517