Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 9 18.  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, -55.51) 09/23/2018   00:45:51  ( -80.42, -55.62)    2.07                73
 09/23/2018   01:37:49   (  80.42, 111.80) 09/23/2018   01:36:47  (  80.43, 111.86)    1.24                62
 09/23/2018   02:28:34   ( -80.42, -80.91) 09/23/2018   02:27:51  ( -80.43, -80.76)    3.09                43
 09/23/2018   03:19:19   (  80.42,  86.40) 09/23/2018   03:18:48  (  80.43,  86.37)    0.68                31
 09/23/2018   04:10:04   ( -80.43,-106.32) 09/23/2018   04:09:52  ( -80.44,-106.24)    1.79                12
 09/23/2018   05:00:49   (  80.43,  60.99) 09/23/2018   05:00:49  (  80.43,  60.89)    2.01                 0
 09/23/2018   05:51:34   ( -80.43,-131.72) 09/23/2018   05:51:53  ( -80.44,-131.72)    1.00                19
 09/23/2018   06:42:19   (  80.43,  35.59) 09/23/2018   06:42:50  (  80.43,  35.40)    3.50                31
 09/23/2018   07:33:04   ( -80.43,-157.13) 09/23/2018   07:33:54  ( -80.44,-157.20)    1.70                50
 09/23/2018   08:23:49   (  80.43,  10.19) 09/23/2018   08:24:50  (  80.45,  10.26)    2.38                61