Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 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)
 04/19/2021   02:26:04   (  -0.05, -75.18) (   0.11, -74.35)   93.69                80
 04/20/2021   14:44:55   (   0.05, -75.20) (   0.88, -78.92)  424.56                80
 04/21/2021   14:26:56   (   0.04, -75.20) (  -0.27, -73.93)  144.73                80
 04/23/2021   02:45:55   (  -0.04, -75.18) (  -0.76, -78.53)  380.39                80
 04/24/2021   02:22:35   (  -0.04, -75.18) (   0.33, -73.52)  189.10                80
 04/25/2021   14:41:25   (   0.04, -75.21) (   0.71, -78.08)  328.07                80
 04/26/2021   14:23:26   (   0.04, -75.21) (  -0.44, -73.09)  241.92                80
 04/28/2021   02:42:25   (  -0.04, -75.21) (  -0.59, -77.69)  282.25                80
 04/29/2021   02:19:04   (  -0.04, -75.21) (   0.50, -72.68)  287.59                80
 04/30/2021   14:37:56   (   0.03, -75.24) (   0.47, -77.25)  229.38                80
 05/01/2021   14:19:55   (   0.03, -75.25) (  -0.62, -72.25)  340.81                80