Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 12 22.  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)
 12/23/2021   14:38:07   (  -0.03, -75.19) (   0.27, -76.46)  145.28                80
 12/24/2021   14:14:47   (  -0.03, -75.19) (  -0.86, -71.47)  423.93                80
 12/26/2021   02:36:27   (   0.03, -75.17) (  -0.19, -76.06)  101.75                80
 12/27/2021   02:13:07   (   0.03, -75.17) (   0.94, -71.07)  467.70                80
 12/28/2021   14:34:39   (  -0.03, -75.20) (   0.06, -75.63)   48.68                80
 12/31/2021   02:32:58   (   0.03, -75.19) (   0.02, -75.23)    4.28                80
 01/02/2022   14:31:09   (  -0.03, -75.22) (  -0.11, -74.79)   49.21                80
 01/04/2022   02:50:09   (   0.02, -75.21) (  -0.88, -79.39)  475.36                80
 01/05/2022   02:26:49   (   0.02, -75.22) (   0.20, -74.39)   94.96                80