Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 10 16.  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)
 10/17/2021   16:27:29   (  -0.28,-128.20) (  -0.17,-128.63)   48.38                80
 10/20/2021   04:27:07   (   0.29,-128.26) (   0.28,-128.29)    3.49                 1
 10/22/2021   16:26:38   (  -0.29,-128.32) (  -0.37,-127.91)   46.02                80
 10/24/2021   04:42:57   (   0.30,-128.34) (  -0.62,-132.55)  479.69                80
 10/25/2021   04:24:56   (   0.29,-128.35) (   0.43,-127.56)   89.58                80
 10/26/2021   16:41:07   (  -0.30,-128.38) (   0.53,-132.17)  432.04                80
 10/27/2021   16:23:07   (  -0.29,-128.39) (  -0.58,-127.20)  136.93                80
 10/29/2021   04:39:25   (   0.30,-128.41) (  -0.46,-131.83)  389.68                80
 10/30/2021   04:21:25   (   0.29,-128.41) (   0.65,-126.85)  178.85                80