Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 23.  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)
 04/24/2021   02:22:39   (  -0.05, -75.17) (   0.32, -73.54)  185.37                80
 04/25/2021   14:41:32   (   0.05, -75.19) (   0.69, -78.11)  332.02                80
 04/26/2021   14:23:34   (   0.05, -75.20) (  -0.42, -73.11)  237.31                80
 04/28/2021   02:42:36   (  -0.04, -75.18) (  -0.59, -77.72)  288.21                80
 04/29/2021   02:19:18   (  -0.04, -75.19) (   0.52, -72.72)  280.99                80
 04/30/2021   14:38:11   (   0.04, -75.21) (   0.47, -77.29)  236.22                80
 05/01/2021   14:20:13   (   0.03, -75.22) (  -0.64, -72.30)  333.36                80
 05/03/2021   02:39:14   (  -0.03, -75.21) (  -0.43, -76.89)  191.40                80
 05/04/2021   02:15:56   (  -0.03, -75.22) (   0.74, -71.91)  378.51                80
 05/05/2021   14:34:49   (   0.02, -75.26) (   0.30, -76.46)  137.35                80
 05/06/2021   14:16:50   (   0.02, -75.28) (  -0.81, -71.47)  433.39                80