Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 5 18.  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)
 05/19/2021   14:48:01   (   0.01, -75.19) (   0.87, -78.98)  432.18                80
 05/20/2021   14:24:42   (   0.01, -75.19) (  -0.25, -73.99)  136.22                80
 05/22/2021   02:46:25   (  -0.01, -75.18) (  -0.77, -78.59)  388.69                80
 05/23/2021   02:23:06   (  -0.01, -75.18) (   0.35, -73.60)  180.00                80
 05/24/2021   14:44:38   (   0.01, -75.18) (   0.68, -78.16)  339.65                80
 05/25/2021   14:21:20   (   0.01, -75.18) (  -0.43, -73.17)  229.15                80
 05/27/2021   02:43:02   (  -0.01, -75.18) (  -0.58, -77.77)  295.30                80
 05/28/2021   02:19:44   (  -0.01, -75.18) (   0.54, -72.78)  273.53                80
 05/29/2021   14:41:16   (   0.01, -75.18) (   0.49, -77.34)  245.71                80
 05/30/2021   14:17:58   (   0.00, -75.18) (  -0.63, -72.34)  323.52                80
 06/01/2021   02:39:40   (  -0.00, -75.19) (  -0.38, -76.95)  199.63                80