Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 9 14.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 09/23/2018   00:47:04   ( -80.41, -55.42) 09/23/2018   00:45:51  ( -80.42, -55.51)    1.80                73
 09/23/2018   01:37:49   (  80.42, 111.86) 09/23/2018   01:36:47  (  80.43, 111.94)    2.27                62
 09/23/2018   02:28:34   ( -80.42, -80.83) 09/23/2018   02:27:52  ( -80.42, -80.99)    3.11                42
 09/23/2018   03:19:19   (  80.42,  86.46) 09/23/2018   03:18:48  (  80.43,  86.46)    1.54                31
 09/23/2018   04:10:05   ( -80.44,-106.56) 09/23/2018   04:09:53  ( -80.42,-106.47)    2.68                12
 09/23/2018   05:00:48   (  80.42,  61.05) 09/23/2018   05:00:48  (  80.43,  60.97)    2.03                 0
 09/23/2018   05:51:34   ( -80.45,-131.96) 09/23/2018   05:51:53  ( -80.43,-131.95)    2.31                19
 09/23/2018   06:42:18   (  80.42,  35.65) 09/23/2018   06:42:49  (  80.43,  35.49)    3.23                31
 09/23/2018   07:33:03   ( -80.42,-157.04) 09/23/2018   07:33:53  ( -80.44,-157.10)    2.50                50
 09/23/2018   08:23:49   (  80.45,   9.92) 09/23/2018   08:24:50  (  80.44,  10.00)    2.27                61