Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2020 12 15.  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)
 12/15/2020   17:00:17   (   0.27,-128.19) (   0.49,-129.08)  102.29                80
 12/16/2020   16:42:18   (   0.28,-128.20) (  -0.63,-124.11)  466.22                80
 12/18/2020   04:58:38   (  -0.28,-128.24) (  -0.40,-128.74)   56.85                80
 12/20/2020   16:56:50   (   0.28,-128.24) (   0.30,-128.36)   13.80                80
 12/23/2020   04:57:51   (  -0.28,-128.29) (  -0.21,-128.02)   30.97                80
 12/24/2020   17:14:02   (   0.26,-128.27) (   1.22,-132.62)  494.72                80
 12/25/2020   16:56:03   (   0.27,-128.28) (   0.11,-127.64)   73.30                80
 12/27/2020   05:12:23   (  -0.26,-128.31) (  -1.13,-132.27)  451.71                80
 12/28/2020   04:54:23   (  -0.27,-128.31) (  -0.06,-127.29)  116.12                80