Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 10 23.  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)
 10/24/2021   18:40:18   (  -0.05,-137.22) (   0.02,-137.67)   50.25                80
 10/27/2021   06:41:19   (   0.04,-137.22) (   0.03,-137.27)    5.33                80
 10/29/2021   18:39:32   (  -0.03,-137.22) (  -0.13,-136.84)   44.06                80
 10/31/2021   06:58:32   (   0.03,-137.21) (  -0.90,-141.43)  481.13                80
 11/01/2021   06:35:13   (   0.03,-137.20) (   0.20,-136.43)   87.24                80
 11/02/2021   18:54:05   (  -0.03,-137.19) (   0.80,-141.00)  433.31                80
 11/03/2021   18:36:06   (  -0.03,-137.18) (  -0.30,-136.00)  134.69                80
 11/05/2021   06:55:06   (   0.03,-137.16) (  -0.72,-140.60)  391.69                80
 11/06/2021   06:31:47   (   0.03,-137.14) (   0.38,-135.60)  175.69                80