Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 12 9.  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)
 12/09/2021   14:25:13   (  -0.04, -75.19) (  -0.34, -73.98)  138.46                80
 12/11/2021   02:46:52   (   0.04, -75.18) (  -0.70, -78.57)  385.67                80
 12/12/2021   02:23:33   (   0.04, -75.19) (   0.42, -73.58)  184.30                80
 12/13/2021   14:45:04   (  -0.03, -75.22) (   0.61, -78.13)  332.24                80
 12/14/2021   14:21:45   (  -0.04, -75.23) (  -0.51, -73.14)  238.15                80
 12/16/2021   02:43:24   (   0.03, -75.23) (  -0.54, -77.73)  284.77                80
 12/17/2021   02:20:04   (   0.03, -75.25) (   0.59, -72.74)  285.81                80
 12/18/2021   14:41:36   (  -0.03, -75.28) (   0.44, -77.30)  230.01                80
 12/19/2021   14:18:16   (  -0.02, -75.30) (  -0.68, -72.30)  340.89                80
 12/21/2021   02:39:55   (   0.02, -75.31) (  -0.37, -76.89)  181.38                80
 12/22/2021   02:16:36   (   0.01, -75.33) (   0.76, -71.90)  389.78                80