Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 5 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)
 05/20/2021   14:27:22   (   0.01, -75.19) (  -0.28, -73.99)  136.93                80
 05/22/2021   02:46:24   (  -0.02, -75.18) (  -0.77, -78.59)  387.91                80
 05/23/2021   02:23:05   (  -0.02, -75.18) (   0.36, -73.60)  181.04                80
 05/24/2021   14:41:57   (   0.02, -75.19) (   0.71, -78.15)  338.02                80
 05/25/2021   14:21:18   (   0.01, -75.19) (  -0.43, -73.16)  230.97                80
 05/27/2021   02:43:00   (  -0.00, -75.18) (  -0.56, -77.76)  293.72                80
 05/28/2021   02:19:42   (   0.01, -75.18) (   0.57, -72.77)  275.18                80
 05/29/2021   14:41:14   (  -0.02, -75.19) (   0.43, -77.34)  243.66                80
 05/30/2021   14:17:55   (  -0.03, -75.20) (  -0.64, -72.33)  325.76                80
 06/01/2021   02:39:37   (   0.04, -75.21) (  -0.34, -76.94)  197.52                80
 06/02/2021   02:16:19   (   0.04, -75.22) (   0.80, -71.95)  372.54                80