Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 9 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)
 09/30/2018   01:56:35   (  80.27, 104.51) 09/30/2018   01:57:39  (  80.28, 108.75)   79.53                64
 09/30/2018   02:47:33   ( -80.42, -85.71) 09/30/2018   02:48:29  ( -80.41, -85.63)    1.70                56
 09/30/2018   03:38:28   (  80.43,  81.70) 09/30/2018   03:39:14  (  80.41,  81.74)    2.13                46
 09/30/2018   04:29:34   ( -80.42,-111.19) 09/30/2018   04:29:59  ( -80.41,-111.02)    3.22                25
 09/30/2018   05:20:29   (  80.43,  56.21) 09/30/2018   05:20:44  (  80.41,  56.35)    3.09                15
 09/30/2018   06:11:35   ( -80.42,-136.68) 09/30/2018   06:11:30  ( -80.44,-136.74)    2.56                 5
 09/30/2018   07:02:30   (  80.43,  30.73) 09/30/2018   07:02:15  (  80.44,  30.62)    2.15                15
 09/30/2018   07:53:36   ( -80.42,-162.16) 09/30/2018   07:53:00  ( -80.44,-162.14)    2.35                36
 09/30/2018   08:44:31   (  80.43,   5.24) 09/30/2018   08:43:45  (  80.44,   5.23)    1.10                46
 09/30/2018   09:35:36   ( -80.44, 172.69) 09/30/2018   09:34:29  ( -80.42, 172.79)    2.87                67