Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2012 4 18.  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   (  80.59,  -1.39) (  80.58,  -1.22)    3.20                71
 04/21/2012   09:51:13   ( -80.53, 166.89) ( -80.53, 166.91)    0.35                59
 04/21/2012   10:42:20   (  80.50, -25.45) (  80.49, -25.31)    2.76                36
 04/21/2012   11:33:14   ( -80.43, 142.81) ( -80.43, 142.80)    0.08                24
 04/21/2012   12:24:21   (  80.40, -49.54) (  80.40, -49.42)    2.34                 1
 04/21/2012   13:15:14   ( -80.31, 119.01) ( -80.31, 118.99)    0.47                11
 04/21/2012   14:06:21   (  80.27, -73.34) (  80.27, -73.24)    1.95                34
 04/21/2012   14:57:13   ( -80.15,  95.48) ( -80.15,  95.44)    0.84                46