Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and METOP-B
TLE Epoch: 2018 6 16.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 06/16/2018   22:49:15   (  72.64,-170.44) 06/16/2018   22:48:01  (  72.65,-170.73)    9.49                74
 06/16/2018   23:39:58   ( -72.60,  -3.04) 06/16/2018   23:38:44  ( -72.59,  -3.52)   15.93                74
 06/17/2018   00:30:39   (  72.34, 164.79) 06/17/2018   00:29:29  (  72.32, 163.27)   51.25                70
 06/17/2018   01:21:22   ( -72.30, -27.81) 06/17/2018   01:20:12  ( -72.26, -29.51)   57.66                70
 06/17/2018   02:12:03   (  72.03, 140.00) 06/17/2018   02:10:56  (  72.04, 137.39)   89.55                67
 06/17/2018   03:02:45   ( -71.94, -52.51) 06/17/2018   03:01:39  ( -71.98, -55.39)   99.26                66