Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2020 12 11.  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)
 12/11/2020   16:45:45   (   0.27,-128.14) (  -0.44,-124.83)  376.63                80
 12/13/2020   05:02:06   (  -0.27,-128.19) (  -0.54,-129.47)  145.76                80
 12/14/2020   04:44:06   (  -0.28,-128.20) (   0.52,-124.48)  423.20                80
 12/15/2020   17:00:18   (   0.27,-128.19) (   0.44,-129.09)  101.78                80
 12/16/2020   16:42:18   (   0.28,-128.20) (  -0.62,-124.10)  466.85                80
 12/18/2020   04:58:38   (  -0.28,-128.25) (  -0.41,-128.74)   56.51                80
 12/20/2020   16:56:50   (   0.28,-128.25) (   0.31,-128.36)   12.74                80
 12/23/2020   04:57:51   (  -0.28,-128.30) (  -0.22,-128.02)   31.94                80
 12/24/2020   17:14:02   (   0.26,-128.29) (   1.23,-132.61)  493.21                80