Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 5 10.  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)
 05/11/2020   05:46:19   (  -0.22,-128.28) (   0.63,-124.38)  443.66                80
 05/12/2020   18:05:12   (   0.22,-128.33) (   0.33,-128.95)   70.59                80
 05/13/2020   17:47:12   (   0.21,-128.33) (  -0.77,-123.96)  498.63                80
 05/15/2020   06:06:12   (  -0.21,-128.28) (  -0.28,-128.55)   30.98                80
 05/17/2020   18:04:25   (   0.20,-128.33) (   0.13,-128.13)   23.43                80
 05/20/2020   06:00:06   (  -0.20,-128.28) (  -0.07,-127.73)   62.48                80
 05/21/2020   18:18:57   (   0.19,-128.31) (   1.09,-132.29)  453.63                80
 05/22/2020   18:00:58   (   0.19,-128.30) (  -0.02,-127.29)  114.81                80
 05/24/2020   06:19:59   (  -0.18,-128.25) (  -0.97,-131.90)  415.51                80