Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 7 1.  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)
 07/02/2021   14:38:03   (  -0.04, -75.14) (   0.23, -76.51)  154.94                80
 07/03/2021   14:14:44   (  -0.05, -75.14) (  -0.85, -71.51)  414.09                80
 07/05/2021   02:36:24   (   0.04, -75.12) (  -0.20, -76.10)  112.34                80
 07/06/2021   02:13:05   (   0.05, -75.12) (   0.95, -71.11)  456.80                80
 07/07/2021   14:34:38   (  -0.04, -75.15) (   0.08, -75.67)   58.91                80
 07/10/2021   02:32:59   (   0.04, -75.13) (   0.03, -75.27)   15.51                80
 07/12/2021   14:28:33   (  -0.05, -75.18) (  -0.14, -74.85)   38.93                80
 07/14/2021   02:50:14   (   0.04, -75.17) (  -0.89, -79.44)  485.84                80
 07/15/2021   02:26:54   (   0.05, -75.18) (   0.20, -74.44)   84.16                80