Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2012 12 8.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19)   NOAA-19 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2012   01:54:25   ( -80.82, -79.00) ( -80.82, -79.16)    2.88                66
 12/10/2012   02:45:30   (  80.82,  88.11) (  80.82,  88.23)    2.15                46
 12/10/2012   03:36:28   ( -80.78,-103.85) ( -80.79,-103.87)    0.28                31
 12/10/2012   04:27:30   (  80.74,  64.32) (  80.74,  64.23)    1.79                12
 12/10/2012   05:18:31   ( -80.75,-128.71) ( -80.75,-128.58)    2.39                 4
 12/10/2012   06:09:33   (  80.71,  39.47) (  80.70,  39.51)    0.80                23
 12/10/2012   07:00:31   ( -80.67,-152.53) ( -80.67,-152.62)    1.55                38
 12/10/2012   07:51:33   (  80.61,  15.63) (  80.62,  15.47)    3.11                57