Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 6 9.  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)
 06/11/2021   02:32:48   (   0.03, -75.23) (  -0.00, -75.27)    5.31                80
 06/13/2021   14:28:22   (  -0.04, -75.26) (  -0.13, -74.84)   46.89                80
 06/15/2021   02:50:03   (   0.04, -75.26) (  -0.90, -79.44)  476.99                80
 06/16/2021   02:26:45   (   0.05, -75.26) (   0.24, -74.45)   92.75                80
 06/17/2021   14:48:17   (  -0.05, -75.29) (   0.77, -79.01)  424.09                80
 06/18/2021   14:24:59   (  -0.05, -75.30) (  -0.37, -74.03)  146.09                80
 06/20/2021   02:46:39   (   0.05, -75.31) (  -0.70, -78.61)  376.55                80
 06/21/2021   02:23:21   (   0.05, -75.32) (   0.44, -73.62)  193.83                80
 06/22/2021   14:44:53   (  -0.05, -75.35) (   0.58, -78.18)  322.35                80