Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 1 18.  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)
 01/19/2021   14:31:02   (   0.02, -75.23) (  -0.05, -74.85)   43.65                80
 01/21/2021   02:50:04   (  -0.02, -75.22) (  -0.94, -79.46)  481.71                80
 01/22/2021   02:26:45   (  -0.02, -75.24) (   0.14, -74.46)   88.39                80
 01/23/2021   14:45:37   (   0.00, -75.28) (   0.86, -79.02)  426.92                80
 01/24/2021   14:27:38   (  -0.00, -75.30) (  -0.28, -74.04)  143.41                80
 01/26/2021   02:46:40   (   0.00, -75.29) (  -0.77, -78.63)  381.29                80
 01/27/2021   02:23:21   (   0.00, -75.31) (   0.37, -73.64)  189.21                80
 01/28/2021   14:42:13   (  -0.00, -75.36) (   0.63, -78.21)  325.24                80
 01/29/2021   14:24:15   (  -0.00, -75.37) (  -0.51, -73.22)  245.69                80
 01/31/2021   02:43:16   (  -0.00, -75.38) (  -0.53, -77.82)  277.93                80