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) (   0.73, -78.10)  331.56                80
 04/26/2021   14:23:34   (   0.05, -75.20) (  -0.44, -73.12)  237.83                80
 04/28/2021   02:42:36   (  -0.05, -75.18) (  -0.63, -77.71)  288.01                80
 04/29/2021   02:19:17   (  -0.05, -75.19) (   0.48, -72.71)  281.22                80
 04/30/2021   14:38:10   (   0.04, -75.22) (   0.52, -77.28)  235.58                80
 05/01/2021   14:20:12   (   0.04, -75.22) (  -0.59, -72.29)  334.01                80
 05/03/2021   02:39:14   (  -0.03, -75.22) (  -0.42, -76.89)  191.06                80
 05/04/2021   02:15:56   (  -0.03, -75.23) (   0.69, -71.90)  378.85                80
 05/05/2021   14:34:49   (   0.03, -75.27) (   0.30, -76.46)  136.60                80
 05/06/2021   14:16:51   (   0.03, -75.28) (  -0.81, -71.47)  434.15                80
 05/08/2021   02:35:53   (  -0.03, -75.29) (  -0.20, -76.07)   88.92                80