Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 24.  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)
 12/26/2021   16:20:50   (  -0.14,-128.03) (  -0.51,-126.38)  188.01                80
 12/27/2021   04:39:50   (   0.14,-128.03) (  -0.37,-130.31)  259.82                80
 12/29/2021   16:22:40   (  -0.14,-128.10) (  -0.44,-126.68)  161.72                80
 12/30/2021   04:41:53   (   0.13,-128.10) (  -0.43,-130.67)  291.78                80
 01/01/2022   16:24:30   (  -0.12,-128.16) (  -0.37,-126.98)  133.90                80
 01/02/2022   04:43:55   (   0.12,-128.16) (  -0.50,-131.02)  325.24                80
 01/04/2022   16:26:18   (  -0.11,-128.21) (  -0.28,-127.28)  105.27                80
 01/05/2022   04:45:55   (   0.10,-128.21) (  -0.57,-131.36)  359.16                80
 01/07/2022   16:28:07   (  -0.10,-128.26) (  -0.22,-127.58)   76.74                80