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   01:56:34   (  80.28, 104.71) 09/30/2018   01:57:39  (  80.29, 108.62)   73.37                65
 09/30/2018   02:47:33   ( -80.41, -85.84) 09/30/2018   02:48:29  ( -80.42, -85.75)    2.07                56
 09/30/2018   03:38:28   (  80.42,  81.57) 09/30/2018   03:39:14  (  80.42,  81.62)    0.93                46
 09/30/2018   04:29:33   ( -80.43,-110.99) 09/30/2018   04:29:59  ( -80.42,-111.15)    3.03                26
 09/30/2018   05:20:29   (  80.42,  56.08) 09/30/2018   05:20:44  (  80.42,  56.22)    2.58                15
 09/30/2018   06:11:34   ( -80.43,-136.47) 09/30/2018   06:11:29  ( -80.43,-136.54)    1.49                 5
 09/30/2018   07:02:29   (  80.44,  30.93) 09/30/2018   07:02:14  (  80.42,  30.82)    2.79                15
 09/30/2018   07:53:35   ( -80.43,-161.96) 09/30/2018   07:52:59  ( -80.43,-161.94)    0.62                36
 09/30/2018   08:44:30   (  80.44,   5.45) 09/30/2018   08:43:44  (  80.42,   5.42)    1.83                46
 09/30/2018   09:35:36   ( -80.43, 172.56) 09/30/2018   09:34:29  ( -80.43, 172.66)    1.92                67