Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 9 13.  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   ( -80.42, -55.47) 09/23/2018   00:45:51  ( -80.42, -55.54)    1.33                73
 09/23/2018   01:37:49   (  80.42, 111.82) 09/23/2018   01:36:47  (  80.43, 111.91)    2.17                62
 09/23/2018   02:28:34   ( -80.42, -80.87) 09/23/2018   02:27:52  ( -80.42, -81.02)    2.72                42
 09/23/2018   03:19:19   (  80.42,  86.41) 09/23/2018   03:18:48  (  80.43,  86.43)    1.06                31
 09/23/2018   04:10:04   ( -80.42,-106.27) 09/23/2018   04:09:52  ( -80.44,-106.16)    2.96                12
 09/23/2018   05:00:49   (  80.43,  61.01) 09/23/2018   05:00:49  (  80.43,  60.94)    1.44                 0
 09/23/2018   05:51:34   ( -80.42,-131.68) 09/23/2018   05:51:53  ( -80.44,-131.64)    2.07                19
 09/23/2018   06:42:19   (  80.43,  35.60) 09/23/2018   06:42:50  (  80.43,  35.46)    2.75                31
 09/23/2018   07:33:04   ( -80.43,-157.08) 09/23/2018   07:33:54  ( -80.44,-157.12)    1.96                50
 09/23/2018   08:23:50   (  80.45,   9.87) 09/23/2018   08:24:51  (  80.43,   9.97)    2.88                61