Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 24.  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)
 04/25/2021   14:41:32   (   0.05, -75.19) (   0.68, -78.11)  331.73                80
 04/26/2021   14:23:34   (   0.05, -75.20) (  -0.43, -73.11)  237.66                80
 04/28/2021   02:42:36   (  -0.05, -75.18) (  -0.58, -77.72)  287.98                80
 04/29/2021   02:19:18   (  -0.04, -75.19) (   0.52, -72.72)  281.27                80
 04/30/2021   14:38:11   (   0.04, -75.22) (   0.48, -77.29)  235.65                80
 05/01/2021   14:20:13   (   0.03, -75.22) (  -0.63, -72.30)  333.97                80
 05/03/2021   02:39:15   (  -0.03, -75.22) (  -0.38, -76.90)  190.93                80
 05/04/2021   02:15:56   (  -0.03, -75.23) (   0.73, -71.91)  379.01                80
 05/05/2021   14:34:50   (   0.02, -75.27) (   0.26, -76.47)  136.60                80
 05/06/2021   14:16:51   (   0.02, -75.29) (  -0.85, -71.48)  434.20                80
 05/08/2021   02:35:54   (  -0.02, -75.30) (  -0.16, -76.08)   88.75                80