Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 6 24.  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)
 06/25/2018   04:47:15   ( -80.52,-117.31) 06/25/2018   04:48:25  ( -80.52,-117.15)    3.00                70
 06/25/2018   05:38:12   (  80.52,  50.11) 06/25/2018   05:39:11  (  80.54,  49.97)    2.92                59
 06/25/2018   06:29:15   ( -80.54,-142.42) 06/25/2018   06:29:55  ( -80.53,-142.56)    2.82                40
 06/25/2018   07:20:13   (  80.53,  24.66) 06/25/2018   07:20:41  (  80.54,  24.56)    2.33                28
 06/25/2018   08:11:16   ( -80.54,-167.87) 06/25/2018   08:11:25  ( -80.53,-167.97)    2.09                 9
 06/25/2018   09:02:14   (  80.53,  -0.79) 06/25/2018   09:02:11  (  80.54,  -0.85)    1.81                 3
 06/25/2018   09:53:17   ( -80.54, 166.67) 06/25/2018   09:52:55  ( -80.53, 166.62)    1.43                22
 06/25/2018   10:44:15   (  80.53, -26.24) 06/25/2018   10:43:41  (  80.54, -26.26)    1.46                34
 06/25/2018   11:35:18   ( -80.54, 141.22) 06/25/2018   11:34:25  ( -80.53, 141.21)    1.01                53