Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 12 29.  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)
 12/30/2021   18:56:32   (  -0.02,-137.22) (   0.83,-140.99)  429.60                80
 12/31/2021   18:33:13   (  -0.03,-137.22) (  -0.30,-136.00)  139.29                80
 01/02/2022   06:54:52   (   0.02,-137.21) (  -0.75,-140.59)  385.79                80
 01/03/2022   06:31:33   (   0.03,-137.20) (   0.39,-135.60)  182.66                80
 01/04/2022   18:50:23   (  -0.02,-137.19) (   0.65,-140.15)  337.36                80
 01/05/2022   18:32:24   (  -0.02,-137.19) (  -0.48,-135.16)  231.12                80
 01/07/2022   06:51:23   (   0.02,-137.17) (  -0.57,-139.75)  294.28                80
 01/08/2022   06:28:03   (   0.02,-137.16) (   0.57,-134.76)  274.12                80
 01/09/2022   18:46:54   (  -0.01,-137.15) (   0.46,-139.31)  246.16                80
 01/10/2022   18:28:53   (  -0.02,-137.14) (  -0.62,-134.31)  321.98                80
 01/12/2022   06:47:54   (   0.02,-137.12) (  -0.37,-138.91)  204.30                80