Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 9 8.  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)
 09/16/2018   05:32:11   ( -80.43,-127.13) 09/16/2018   05:33:20  ( -80.43,-127.12)    0.18                69
 09/16/2018   06:23:09   (  80.44,  40.17) 09/16/2018   06:24:05  (  80.44,  40.19)    0.31                56
 09/16/2018   07:14:12   ( -80.44,-152.61) 09/16/2018   07:14:50  ( -80.44,-152.51)    1.72                38
 09/16/2018   08:05:10   (  80.44,  14.69) 09/16/2018   08:05:35  (  80.44,  14.79)    1.94                25
 09/16/2018   08:56:13   ( -80.44,-178.08) 09/16/2018   08:56:20  ( -80.44,-177.91)    3.27                 7
 09/16/2018   09:47:10   (  80.46, -10.45) 09/16/2018   09:47:05  (  80.44, -10.60)    3.34                 5
 09/16/2018   10:38:13   ( -80.46, 156.77) 09/16/2018   10:37:50  ( -80.44, 156.70)    2.27                23
 09/16/2018   11:29:11   (  80.46, -35.94) 09/16/2018   11:28:35  (  80.44, -36.00)    2.15                36
 09/16/2018   12:20:14   ( -80.46, 131.30) 09/16/2018   12:19:20  ( -80.44, 131.30)    1.72                54