Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 12 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2020   06:02:09   (  -0.23,-128.12) (  -0.10,-127.62)   57.21                80
 12/10/2020   18:18:21   (   0.22,-128.13) (   1.11,-132.18)  462.08                80
 12/11/2020   18:00:22   (   0.23,-128.14) (   0.01,-127.19)  108.94                80
 12/13/2020   06:16:42   (  -0.21,-128.18) (  -1.03,-131.78)  410.84                80
 12/14/2020   05:58:43   (  -0.23,-128.19) (   0.07,-126.78)  160.00                80
 12/15/2020   18:14:55   (   0.21,-128.19) (   0.94,-131.35)  360.23                80
 12/16/2020   17:56:55   (   0.23,-128.20) (  -0.17,-126.35)  210.26                80
 12/18/2020   06:13:17   (  -0.21,-128.23) (  -0.80,-130.96)  310.48                80
 12/19/2020   05:55:17   (  -0.23,-128.24) (   0.30,-125.96)  260.18                80
 12/20/2020   18:11:30   (   0.21,-128.24) (   0.69,-130.52)  260.08                80