Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 6 22.  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,-117.33) 06/25/2018   04:48:25  ( -80.52,-117.17)    3.14                70
 06/25/2018   05:38:12   (  80.52,  50.08) 06/25/2018   05:39:11  (  80.54,  49.94)    3.08                59
 06/25/2018   06:29:15   ( -80.53,-142.44) 06/25/2018   06:29:55  ( -80.53,-142.58)    2.65                40
 06/25/2018   07:20:13   (  80.53,  24.63) 06/25/2018   07:20:41  (  80.54,  24.53)    2.54                28
 06/25/2018   08:11:16   ( -80.54,-167.89) 06/25/2018   08:11:25  ( -80.53,-167.99)    1.89                 9
 06/25/2018   09:02:14   (  80.53,  -0.82) 06/25/2018   09:02:11  (  80.54,  -0.88)    2.10                 3
 06/25/2018   09:53:17   ( -80.54, 166.65) 06/25/2018   09:52:55  ( -80.53, 166.60)    1.19                22
 06/25/2018   10:44:15   (  80.53, -26.27) 06/25/2018   10:43:41  (  80.55, -26.29)    1.84                34
 06/25/2018   11:35:18   ( -80.54, 141.20) 06/25/2018   11:34:25  ( -80.53, 141.19)    0.75                53