Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2021   14:34:45   (   0.06, -75.21) (   0.17, -75.61)   46.34                80
 09/06/2021   02:30:27   (  -0.06, -75.19) (  -0.06, -75.22)    2.93                80
 09/08/2021   14:28:39   (   0.07, -75.23) (  -0.03, -74.78)   51.10                80
 09/10/2021   02:50:19   (  -0.08, -75.22) (  -1.02, -79.37)  473.38                80
 09/11/2021   02:27:01   (  -0.07, -75.23) (   0.14, -74.38)   96.44                80
 09/12/2021   14:48:31   (   0.09, -75.26) (   0.94, -78.93)  418.86                80
 09/13/2021   14:25:12   (   0.08, -75.27) (  -0.23, -73.95)  151.12                80
 09/15/2021   02:46:53   (  -0.10, -75.26) (  -0.82, -78.54)  372.91                80
 09/16/2021   02:23:33   (  -0.09, -75.27) (   0.29, -73.54)  197.21                80