Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 11/07/2021   18:50:38   (  -0.04,-137.20) (   0.64,-140.16)  338.21                80
 11/08/2021   18:32:39   (  -0.04,-137.19) (  -0.47,-135.17)  230.21                80
 11/10/2021   06:51:39   (   0.03,-137.18) (  -0.54,-139.77)  294.68                80
 11/11/2021   06:28:20   (   0.03,-137.17) (   0.57,-134.77)  273.49                80
 11/12/2021   18:47:12   (  -0.02,-137.16) (   0.43,-139.34)  248.00                80
 11/13/2021   18:29:13   (  -0.02,-137.15) (  -0.67,-134.34)  320.15                80
 11/15/2021   06:48:12   (   0.02,-137.13) (  -0.39,-138.93)  204.99                80
 11/16/2021   06:24:52   (   0.02,-137.12) (   0.73,-133.93)  362.90                80
 11/17/2021   18:43:45   (  -0.02,-137.10) (   0.27,-138.50)  159.28                80
 11/18/2021   18:25:45   (  -0.02,-137.08) (  -0.84,-133.51)  408.29                80
 11/20/2021   06:42:05   (   0.01,-137.06) (  -0.21,-138.09)  117.88                80