Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2012 4 13.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19)   NOAA-19 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/21/2012   09:00:19   (  80.53,  -0.46) (  80.54,  -0.55)    1.70                70
 04/21/2012   09:51:17   ( -80.55, 166.53) ( -80.55, 166.60)    1.37                57
 04/21/2012   10:42:20   (  80.44, -24.52) (  80.44, -24.65)    2.37                35
 04/21/2012   11:33:18   ( -80.46, 142.46) ( -80.45, 142.50)    0.71                22
 04/21/2012   12:24:20   (  80.31, -48.30) (  80.32, -48.45)    3.02                 0
 04/21/2012   13:15:18   ( -80.33, 118.68) ( -80.33, 118.69)    0.10                13
 04/21/2012   14:06:25   (  80.30, -73.70) (  80.29, -73.55)    2.86                36
 04/21/2012   14:57:17   ( -80.17,  95.18) ( -80.17,  95.15)    0.54                48