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)
 05/22/2021   02:46:25   (   0.02, -75.18) (  -0.71, -78.60)  388.87                80
 05/23/2021   02:23:05   (   0.02, -75.18) (   0.36, -73.60)  180.16                80
 05/24/2021   14:44:38   (  -0.00, -75.19) (   0.65, -78.16)  338.26                80
 05/25/2021   14:21:19   (  -0.01, -75.19) (  -0.48, -73.17)  230.81                80
 05/27/2021   02:43:01   (   0.01, -75.18) (  -0.57, -77.76)  293.83                80
 05/28/2021   02:19:42   (   0.02, -75.19) (   0.57, -72.77)  275.15                80
 05/29/2021   14:41:14   (  -0.03, -75.20) (   0.44, -77.34)  243.42                80
 05/30/2021   14:17:56   (  -0.04, -75.20) (  -0.69, -72.35)  326.03                80
 06/01/2021   02:39:37   (   0.04, -75.21) (  -0.35, -76.94)  197.28                80
 06/02/2021   02:16:19   (   0.05, -75.22) (   0.79, -71.95)  372.79                80
 06/03/2021   14:37:51   (  -0.05, -75.25) (   0.23, -76.51)  143.95                80