Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and METOP-B
TLE Epoch: 2021 9 15.  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)
 09/15/2021   03:16:41   (  72.03, 123.88) 09/15/2021   03:15:32  (  72.06, 121.92)   67.30                69
 09/15/2021   04:07:24   ( -71.99, -68.74) 09/15/2021   04:06:15  ( -72.01, -70.87)   73.20                69