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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 11/13/2021   04:28:47   (   0.28,-128.43) (   0.04,-129.65)  138.41                80
 11/14/2021   04:10:45   (   0.27,-128.43) (   1.10,-124.67)  428.59                80
 11/15/2021   16:26:56   (  -0.28,-128.44) (  -0.10,-129.27)   94.54                80
 11/16/2021   16:08:54   (  -0.27,-128.43) (  -1.16,-124.28)  472.30                80
 11/18/2021   04:25:14   (   0.27,-128.41) (   0.19,-128.93)   58.36                80
 11/20/2021   16:23:22   (  -0.27,-128.40) (  -0.26,-128.54)   16.03                80
 11/23/2021   04:24:19   (   0.26,-128.35) (   0.29,-128.19)   18.60                80
 11/25/2021   16:22:28   (  -0.25,-128.32) (  -0.37,-127.80)   59.23                80