Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and METOP-B
TLE Epoch: 2019 4 21.  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)
 04/21/2019   22:56:40   (  72.22,-171.30) 04/21/2019   22:55:31  (  72.19,-173.23)   65.74                69
 04/21/2019   23:47:22   ( -72.14,  -3.81) 04/21/2019   23:46:14  ( -72.12,  -6.02)   75.45                68