Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 9 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)
 09/01/2021   02:36:33   (  -0.06, -75.19) (  -0.27, -76.05)   98.31                80
 09/02/2021   02:13:15   (  -0.05, -75.16) (   0.90, -71.06)  467.55                80
 09/03/2021   14:34:45   (   0.06, -75.14) (   0.19, -75.61)   54.42                80
 09/06/2021   02:33:07   (  -0.07, -75.06) (  -0.08, -75.21)   17.41                80
 09/08/2021   14:28:38   (   0.07, -75.02) (  -0.00, -74.77)   28.38                80
 09/10/2021   02:50:19   (  -0.08, -74.97) (  -1.04, -79.36)  499.74                80
 09/11/2021   02:26:59   (  -0.07, -74.96) (   0.06, -74.37)   67.12                80
 09/12/2021   14:48:31   (   0.09, -74.94) (   0.96, -78.92)  453.43                80
 09/13/2021   14:25:11   (   0.08, -74.92) (  -0.15, -73.93)  113.67                80