Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 9 10.  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)
 09/11/2021   02:27:00   (  -0.07, -75.20) (   0.11, -74.38)   93.39                80
 09/12/2021   14:48:31   (   0.08, -75.22) (   0.91, -78.93)  423.18                80
 09/13/2021   14:25:12   (   0.08, -75.22) (  -0.20, -73.94)  146.34                80
 09/15/2021   02:46:52   (  -0.10, -75.22) (  -0.85, -78.53)  377.91                80
 09/16/2021   02:23:33   (  -0.09, -75.22) (   0.26, -73.53)  191.79                80
 09/17/2021   14:45:04   (   0.10, -75.25) (   0.75, -78.09)  324.03                80
 09/18/2021   14:21:45   (   0.09, -75.26) (  -0.42, -73.11)  246.28                80
 09/20/2021   02:43:26   (  -0.11, -75.27) (  -0.63, -77.70)  276.38                80
 09/21/2021   02:20:06   (  -0.09, -75.29) (   0.48, -72.70)  294.40                80
 09/22/2021   14:41:38   (   0.11, -75.33) (   0.53, -77.26)  219.76                80
 09/23/2021   14:18:18   (   0.10, -75.35) (  -0.59, -72.27)  351.56                80