Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 12 11.  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)
 12/12/2021   02:23:32   (   0.04, -75.19) (   0.40, -73.57)  184.19                80
 12/13/2021   14:45:04   (  -0.04, -75.22) (   0.63, -78.13)  332.06                80
 12/14/2021   14:21:44   (  -0.04, -75.23) (  -0.49, -73.14)  238.34                80
 12/16/2021   02:43:25   (   0.04, -75.24) (  -0.50, -77.74)  284.84                80
 12/17/2021   02:20:05   (   0.04, -75.25) (   0.63, -72.75)  285.74                80
 12/18/2021   14:41:36   (  -0.03, -75.29) (   0.40, -77.31)  229.83                80
 12/19/2021   14:18:17   (  -0.03, -75.30) (  -0.73, -72.31)  341.06                80
 12/21/2021   02:39:56   (   0.03, -75.31) (  -0.32, -76.90)  181.46                80
 12/22/2021   02:16:37   (   0.02, -75.33) (   0.80, -71.91)  389.64                80
 12/23/2021   14:35:28   (  -0.02, -75.37) (   0.22, -76.47)  125.09                80
 12/24/2021   14:17:29   (  -0.02, -75.39) (  -0.91, -71.48)  446.47                80