Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 11 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 11/13/2021   05:46:34   (   0.29,-128.43) (   1.18,-124.42)  456.96                80
 11/14/2021   18:08:06   (  -0.28,-128.44) (  -0.17,-128.99)   62.16                80
 11/17/2021   06:06:26   (   0.27,-128.42) (   0.22,-128.58)   19.14                80
 11/19/2021   18:01:58   (  -0.27,-128.41) (  -0.33,-128.15)   29.19                80
 11/21/2021   06:23:38   (   0.26,-128.38) (  -0.72,-132.74)  497.00                80
 11/22/2021   06:00:18   (   0.26,-128.37) (   0.39,-127.74)   70.58                80
 11/23/2021   18:21:51   (  -0.24,-128.35) (   0.61,-132.31)  450.44                80
 11/24/2021   17:58:31   (  -0.25,-128.34) (  -0.50,-127.32)  116.96                80
 11/26/2021   06:20:10   (   0.23,-128.30) (  -0.55,-131.90)  410.09                80