Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2020 12 14.  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)
 12/14/2020   04:44:06   (  -0.28,-128.20) (   0.54,-124.49)  423.25                80
 12/15/2020   17:00:18   (   0.27,-128.19) (   0.48,-129.08)  102.13                80
 12/16/2020   16:42:18   (   0.28,-128.20) (  -0.63,-124.11)  466.43                80
 12/18/2020   04:58:38   (  -0.28,-128.25) (  -0.40,-128.74)   56.57                80
 12/20/2020   16:56:50   (   0.28,-128.24) (   0.29,-128.36)   13.38                80
 12/23/2020   04:57:51   (  -0.28,-128.29) (  -0.20,-128.02)   31.62                80
 12/24/2020   17:14:02   (   0.26,-128.28) (   1.21,-132.62)  493.94                80
 12/25/2020   16:56:02   (   0.27,-128.28) (   0.15,-127.63)   74.13                80
 12/27/2020   05:12:23   (  -0.26,-128.31) (  -1.11,-132.28)  450.81                80