Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 12 14.  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)
 12/14/2020   05:58:43   (  -0.23,-128.20) (   0.10,-126.79)  161.06                80
 12/15/2020   18:14:55   (   0.21,-128.20) (   0.90,-131.35)  359.53                80
 12/16/2020   17:56:56   (   0.23,-128.21) (  -0.20,-126.36)  211.06                80
 12/18/2020   06:13:16   (  -0.21,-128.24) (  -0.83,-130.95)  309.00                80
 12/19/2020   05:55:17   (  -0.23,-128.25) (   0.28,-125.95)  261.80                80
 12/20/2020   18:11:29   (   0.21,-128.25) (   0.71,-130.52)  258.70                80
 12/21/2020   17:53:30   (   0.23,-128.26) (  -0.39,-125.52)  311.81                80
 12/23/2020   06:09:50   (  -0.21,-128.29) (  -0.64,-130.12)  208.92                80
 12/24/2020   05:51:50   (  -0.23,-128.30) (   0.47,-125.12)  361.62                80
 12/25/2020   18:08:03   (   0.20,-128.29) (   0.51,-129.69)  159.33                80
 12/26/2020   17:50:03   (   0.22,-128.29) (  -0.60,-124.69)  410.60                80