Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 12 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)
 12/24/2021   06:41:10   (   0.03,-137.20) (  -0.01,-137.26)    8.10                80
 12/26/2021   18:36:42   (  -0.02,-137.21) (  -0.11,-136.83)   43.21                80
 12/28/2021   06:58:21   (   0.02,-137.19) (  -0.94,-141.42)  482.16                80
 12/29/2021   06:35:02   (   0.02,-137.19) (   0.19,-136.43)   86.17                80
 12/30/2021   18:53:53   (  -0.02,-137.18) (   0.80,-141.00)  433.88                80
 12/31/2021   18:35:53   (  -0.03,-137.17) (  -0.27,-135.99)  133.99                80
 01/02/2022   06:54:52   (   0.02,-137.14) (  -0.77,-140.58)  393.18                80
 01/03/2022   06:31:32   (   0.02,-137.12) (   0.36,-135.59)  174.22                80
 01/04/2022   18:50:23   (  -0.02,-137.10) (   0.68,-140.14)  347.14                80
 01/05/2022   18:32:23   (  -0.01,-137.08) (  -0.45,-135.15)  220.30                80