Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 11 17.  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)
 11/19/2015   14:52:57   ( -81.04,  83.25) 11/19/2015   14:54:13  ( -81.05,  83.20)    1.85                76
 11/19/2015   15:43:57   (  81.03,-109.00) 11/19/2015   15:44:56  (  81.02,-108.85)    2.85                59
 11/19/2015   16:34:58   ( -81.03,  58.27) 11/19/2015   16:35:42  ( -81.04,  58.15)    2.06                44
 11/19/2015   17:25:59   (  81.03,-134.37) 11/19/2015   17:26:26  (  81.03,-134.27)    1.89                27
 11/19/2015   18:17:00   ( -81.03,  32.91) 11/19/2015   18:17:12  ( -81.04,  32.73)    3.11                12
 11/19/2015   19:08:01   (  81.03,-159.73) 11/19/2015   19:07:56  (  81.03,-159.69)    0.96                 5
 11/19/2015   19:59:02   ( -81.03,   7.55) 11/19/2015   19:58:41  ( -81.03,   7.68)    2.43                21
 11/19/2015   20:50:03   (  81.03, 174.90) 11/19/2015   20:49:26  (  81.03, 174.89)    0.37                37
 11/19/2015   21:41:04   ( -81.03, -17.81) 11/19/2015   21:40:11  ( -81.03, -17.74)    1.38                53