Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 19.  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)
 04/20/2021   14:44:55   (   0.05, -75.20) (   0.90, -78.92)  424.45                80
 04/21/2021   14:26:56   (   0.04, -75.20) (  -0.25, -73.93)  144.82                80
 04/23/2021   02:45:55   (  -0.04, -75.18) (  -0.78, -78.52)  380.30                80
 04/24/2021   02:22:34   (  -0.04, -75.19) (   0.31, -73.52)  189.22                80
 04/25/2021   14:41:26   (   0.04, -75.21) (   0.67, -78.09)  327.88                80
 04/26/2021   14:23:25   (   0.04, -75.21) (  -0.42, -73.09)  242.11                80
 04/28/2021   02:42:25   (  -0.04, -75.21) (  -0.61, -77.68)  282.10                80
 04/29/2021   02:19:05   (  -0.04, -75.21) (   0.54, -72.69)  287.74                80
 04/30/2021   14:37:55   (   0.03, -75.24) (   0.49, -77.25)  229.13                80
 05/01/2021   14:19:56   (   0.03, -75.25) (  -0.66, -72.26)  341.08                80
 05/03/2021   02:38:55   (  -0.02, -75.25) (  -0.37, -76.85)  182.40                80