Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 10 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)
 10/13/2021   16:13:00   (  -0.25,-128.10) (  -1.10,-124.37)  426.15                80
 10/15/2021   04:29:20   (   0.27,-128.14) (   0.11,-129.01)   98.53                80
 10/16/2021   04:11:18   (   0.26,-128.16) (   1.15,-124.02)  471.67                80
 10/17/2021   16:27:30   (  -0.28,-128.21) (  -0.18,-128.63)   48.33                80
 10/20/2021   04:28:28   (   0.29,-128.27) (   0.30,-128.29)    2.97                80
 10/22/2021   16:26:38   (  -0.29,-128.32) (  -0.38,-127.91)   46.68                80
 10/24/2021   04:42:58   (   0.30,-128.35) (  -0.61,-132.55)  478.21                80
 10/25/2021   04:24:56   (   0.29,-128.37) (   0.44,-127.56)   91.17                80
 10/26/2021   16:41:07   (  -0.30,-128.39) (   0.53,-132.17)  430.87                80