Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 11 14.  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)
 11/14/2021   18:08:05   (  -0.28,-128.44) (  -0.15,-128.98)   62.08                80
 11/17/2021   06:06:26   (   0.27,-128.41) (   0.26,-128.59)   19.54                80
 11/19/2021   18:01:58   (  -0.27,-128.40) (  -0.31,-128.15)   29.03                80
 11/21/2021   06:23:37   (   0.25,-128.37) (  -0.74,-132.73)  497.51                80
 11/22/2021   06:00:18   (   0.26,-128.36) (   0.37,-127.74)   70.09                80
 11/23/2021   18:21:50   (  -0.24,-128.35) (   0.63,-132.31)  450.85                80
 11/24/2021   17:58:31   (  -0.25,-128.33) (  -0.48,-127.31)  116.47                80
 11/26/2021   06:20:10   (   0.23,-128.29) (  -0.57,-131.90)  410.83                80
 11/27/2021   05:56:51   (   0.24,-128.27) (   0.55,-126.91)  156.13                80