Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 22.  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)
 11/22/2021   18:40:18   (  -0.03,-137.20) (   0.08,-137.67)   53.50                80
 11/25/2021   06:41:18   (   0.02,-137.16) (  -0.02,-137.27)   12.26                80
 11/27/2021   18:39:30   (  -0.02,-137.14) (  -0.10,-136.84)   34.95                80
 11/29/2021   06:58:30   (   0.02,-137.11) (  -0.95,-141.43)  492.43                80
 11/30/2021   06:35:10   (   0.02,-137.09) (   0.17,-136.43)   74.77                80
 12/01/2021   18:54:02   (  -0.01,-137.07) (   0.88,-140.99)  447.17                80
 12/02/2021   18:36:02   (  -0.01,-137.05) (  -0.24,-136.00)  119.59                80
 12/04/2021   06:55:01   (   0.00,-137.00) (  -0.81,-140.58)  409.26                80
 12/05/2021   06:31:42   (  -0.00,-136.97) (   0.31,-135.59)  156.87                80