Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 7 8.  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)
 07/10/2021   02:32:59   (   0.04, -75.12) (  -0.01, -75.26)   16.28                80
 07/12/2021   14:28:33   (  -0.04, -75.17) (  -0.11, -74.84)   37.58                80
 07/14/2021   02:50:13   (   0.03, -75.15) (  -0.92, -79.43)  487.43                80
 07/15/2021   02:26:54   (   0.05, -75.16) (   0.23, -74.44)   82.45                80
 07/16/2021   14:48:27   (  -0.03, -75.21) (   0.80, -79.00)  432.11                80
 07/17/2021   14:25:07   (  -0.04, -75.22) (  -0.29, -74.00)  138.15                80
 07/19/2021   02:46:48   (   0.03, -75.21) (  -0.74, -78.59)  385.89                80
 07/20/2021   02:23:29   (   0.04, -75.22) (   0.41, -73.61)  184.35                80
 07/21/2021   14:45:01   (  -0.02, -75.27) (   0.62, -78.17)  329.84                80