Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 12 25.  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)
 12/26/2021   18:39:21   (  -0.02,-137.21) (  -0.08,-136.83)   43.63                80
 12/28/2021   06:58:22   (   0.02,-137.20) (  -0.91,-141.43)  481.71                80
 12/29/2021   06:35:02   (   0.02,-137.19) (   0.22,-136.44)   86.75                80
 12/30/2021   18:53:52   (  -0.02,-137.19) (   0.83,-140.99)  433.28                80
 12/31/2021   18:35:53   (  -0.03,-137.18) (  -0.30,-136.00)  134.64                80
 01/02/2022   06:54:52   (   0.02,-137.14) (  -0.75,-140.59)  392.40                80
 01/03/2022   06:31:33   (   0.02,-137.13) (   0.39,-135.60)  175.09                80
 01/04/2022   18:50:23   (  -0.02,-137.11) (   0.66,-140.15)  346.20                80
 01/05/2022   18:32:23   (  -0.02,-137.09) (  -0.42,-135.15)  221.31                80
 01/07/2022   06:51:23   (   0.01,-137.06) (  -0.57,-139.75)  306.12                80