Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 6 10.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/14/2015   04:58:59   (  81.03,  52.83) 06/14/2015   04:59:58  (  81.04,  52.66)    3.09                59
 06/14/2015   05:49:54   ( -81.02,-139.55) 06/14/2015   05:50:42  ( -81.02,-139.73)    3.03                48
 06/14/2015   06:41:01   (  81.02,  27.57) 06/14/2015   06:41:27  (  81.02,  27.61)    0.74                26
 06/14/2015   07:31:57   ( -81.02,-165.19) 06/14/2015   07:32:12  ( -81.03,-165.15)    0.80                15
 06/14/2015   08:23:03   (  81.02,   2.30) 06/14/2015   08:22:57  (  81.03,   2.18)    2.07                 6
 06/14/2015   09:13:59   ( -81.02, 169.54) 06/14/2015   09:13:42  ( -81.03, 169.43)    2.05                17
 06/14/2015   10:05:05   (  81.02, -22.96) 06/14/2015   10:04:26  (  81.01, -22.87)    1.77                39
 06/14/2015   10:56:01   ( -81.02, 144.28) 06/14/2015   10:55:11  ( -81.01, 144.37)    1.77                50