Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 5 5.  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)
 05/06/2021   06:37:53   (  -0.05,-137.18) (  -0.09,-137.26)    9.54                80
 05/08/2021   18:38:47   (   0.05,-137.19) (  -0.03,-136.84)   40.74                80
 05/10/2021   06:55:10   (  -0.04,-137.17) (  -0.98,-141.44)  485.92                80
 05/11/2021   06:37:11   (  -0.04,-137.16) (   0.13,-136.44)   82.15                80
 05/12/2021   18:53:24   (   0.04,-137.16) (   0.91,-141.00)  437.77                80
 05/13/2021   18:35:25   (   0.03,-137.15) (  -0.20,-136.01)  129.79                80
 05/15/2021   06:51:47   (  -0.03,-137.11) (  -0.81,-140.61)  398.47                80
 05/16/2021   06:33:49   (  -0.03,-137.10) (   0.30,-135.62)  168.52                80
 05/17/2021   18:50:01   (   0.02,-137.08) (   0.74,-140.17)  352.96                80
 05/18/2021   18:32:03   (   0.02,-137.06) (  -0.38,-135.18)  213.74                80