Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 20.  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, -75.19) (   0.89, -78.92)  425.34                80
 04/21/2021   14:26:56   (   0.04, -75.19) (  -0.26, -73.93)  143.67                80
 04/23/2021   02:45:55   (  -0.04, -75.17) (  -0.77, -78.52)  381.88                80
 04/24/2021   02:22:35   (  -0.04, -75.17) (   0.32, -73.52)  187.35                80
 04/25/2021   14:41:26   (   0.04, -75.19) (   0.66, -78.09)  330.18                80
 04/26/2021   14:23:25   (   0.04, -75.19) (  -0.43, -73.09)  239.54                80
 04/28/2021   02:42:25   (  -0.04, -75.18) (  -0.60, -77.68)  285.09                80
 04/29/2021   02:19:05   (  -0.04, -75.18) (   0.55, -72.69)  284.48                80
 04/30/2021   14:37:56   (   0.03, -75.21) (   0.48, -77.25)  232.83                80
 05/01/2021   14:19:55   (   0.03, -75.21) (  -0.61, -72.25)  337.09                80
 05/03/2021   02:38:55   (  -0.02, -75.21) (  -0.36, -76.86)  186.83                80
 05/04/2021   02:15:35   (  -0.02, -75.22) (   0.73, -71.86)  383.42                80