Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 9 10.  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   ( -80.43, -55.59) 09/23/2018   00:45:50  ( -80.43, -55.42)    3.22                74
 09/23/2018   01:37:49   (  80.43, 111.67) 09/23/2018   01:36:47  (  80.42, 111.68)    1.44                62
 09/23/2018   02:28:34   ( -80.43, -80.99) 09/23/2018   02:27:51  ( -80.43, -80.90)    1.79                43
 09/23/2018   03:19:19   (  80.43,  86.27) 09/23/2018   03:18:48  (  80.42,  86.19)    2.12                31
 09/23/2018   04:10:04   ( -80.43,-106.40) 09/23/2018   04:09:52  ( -80.43,-106.38)    0.42                12
 09/23/2018   05:00:49   (  80.44,  60.86) 09/23/2018   05:00:48  (  80.44,  61.04)    3.37                 1
 09/23/2018   05:51:34   ( -80.43,-131.80) 09/23/2018   05:51:53  ( -80.43,-131.86)    1.15                19
 09/23/2018   06:42:19   (  80.44,  35.46) 09/23/2018   06:42:49  (  80.44,  35.56)    1.85                30
 09/23/2018   07:33:04   ( -80.44,-157.21) 09/23/2018   07:33:54  ( -80.43,-157.34)    2.57                50
 09/23/2018   08:23:49   (  80.44,  10.05) 09/23/2018   08:24:50  (  80.44,  10.07)    0.34                61