Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 26.  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)
 12/27/2021   04:39:51   (   0.14,-128.03) (  -0.35,-130.31)  259.55                80
 12/29/2021   16:22:41   (  -0.13,-128.11) (  -0.47,-126.69)  162.12                80
 12/30/2021   04:41:53   (   0.13,-128.11) (  -0.41,-130.67)  291.23                80
 01/01/2022   16:24:30   (  -0.12,-128.17) (  -0.39,-126.99)  134.54                80
 01/02/2022   04:43:55   (   0.12,-128.17) (  -0.49,-131.02)  324.45                80
 01/04/2022   16:26:20   (  -0.11,-128.22) (  -0.34,-127.29)  106.12                80
 01/05/2022   04:45:56   (   0.10,-128.22) (  -0.58,-131.37)  358.18                80
 01/07/2022   16:28:08   (  -0.10,-128.27) (  -0.25,-127.59)   77.72                80
 01/08/2022   04:47:55   (   0.09,-128.27) (  -0.66,-131.71)  391.40                80