Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 12 12.  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)
 12/13/2020   06:16:42   (  -0.21,-128.19) (  -1.02,-131.78)  409.93                80
 12/14/2020   05:58:43   (  -0.23,-128.20) (   0.08,-126.79)  161.07                80
 12/15/2020   18:14:55   (   0.21,-128.20) (   0.92,-131.35)  359.24                80
 12/16/2020   17:56:56   (   0.23,-128.21) (  -0.19,-126.35)  211.39                80
 12/18/2020   06:13:16   (  -0.21,-128.24) (  -0.84,-130.95)  308.78                80
 12/19/2020   05:55:17   (  -0.23,-128.25) (   0.26,-125.95)  262.07                80
 12/20/2020   18:11:29   (   0.21,-128.25) (   0.73,-130.52)  258.21                80
 12/21/2020   17:53:29   (   0.23,-128.26) (  -0.37,-125.52)  312.35                80
 12/23/2020   06:09:51   (  -0.21,-128.29) (  -0.60,-130.13)  208.47                80
 12/24/2020   05:51:51   (  -0.22,-128.30) (   0.51,-125.13)  362.11                80
 12/25/2020   18:08:02   (   0.20,-128.30) (   0.53,-129.68)  158.65                80