Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 8.  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)
 11/08/2021   18:32:40   (  -0.04,-137.21) (  -0.51,-135.18)  231.61                80
 11/10/2021   06:51:39   (   0.03,-137.21) (  -0.56,-139.76)  291.94                80
 11/11/2021   06:28:20   (   0.03,-137.20) (   0.55,-134.77)  276.93                80
 11/12/2021   18:47:12   (  -0.02,-137.19) (   0.45,-139.33)  243.78                80
 11/13/2021   18:29:12   (  -0.02,-137.19) (  -0.66,-134.34)  325.04                80
 11/15/2021   06:48:13   (   0.02,-137.19) (  -0.34,-138.94)  198.77                80
 11/16/2021   06:24:53   (   0.02,-137.18) (   0.77,-133.94)  369.84                80
 11/17/2021   18:43:44   (  -0.02,-137.17) (   0.29,-138.50)  151.57                80
 11/18/2021   18:25:45   (  -0.02,-137.16) (  -0.82,-133.50)  416.67                80
 11/20/2021   06:44:45   (   0.01,-137.15) (  -0.17,-138.10)  108.20                80
 11/21/2021   06:21:25   (   0.01,-137.13) (   0.89,-133.10)  459.60                80