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)
 09/06/2021   02:33:07   (  -0.06, -75.19) (  -0.07, -75.21)    2.78                80
 09/08/2021   14:28:39   (   0.06, -75.23) (  -0.01, -74.77)   50.93                80
 09/10/2021   02:50:20   (  -0.08, -75.21) (  -0.98, -79.38)  473.74                80
 09/11/2021   02:27:00   (  -0.07, -75.22) (   0.13, -74.38)   96.02                80
 09/12/2021   14:48:32   (   0.09, -75.26) (   0.89, -78.94)  419.28                80
 09/13/2021   14:25:12   (   0.08, -75.26) (  -0.21, -73.94)  150.64                80
 09/15/2021   02:46:52   (  -0.10, -75.26) (  -0.83, -78.53)  373.48                80
 09/16/2021   02:23:33   (  -0.09, -75.27) (   0.27, -73.54)  196.62                80
 09/17/2021   14:45:04   (   0.11, -75.31) (   0.74, -78.09)  317.93                80