Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 12 29.  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)
 12/31/2019   06:19:26   (   0.07,-128.29) (  -0.76,-131.87)  408.28                80
 01/01/2020   05:56:08   (   0.07,-128.31) (   0.38,-126.88)  162.58                80
 01/02/2020   18:17:40   (  -0.06,-128.30) (   0.64,-131.44)  357.91                80
 01/03/2020   17:54:21   (  -0.07,-128.31) (  -0.50,-126.45)  212.82                80
 01/05/2020   06:16:03   (   0.06,-128.37) (  -0.54,-131.04)  304.15                80
 01/06/2020   05:52:44   (   0.06,-128.39) (   0.59,-126.05)  266.09                80
 01/07/2020   18:14:17   (  -0.05,-128.36) (   0.42,-130.61)  255.69                80
 01/08/2020   17:50:57   (  -0.06,-128.37) (  -0.66,-125.61)  314.19                80
 01/10/2020   06:12:38   (   0.05,-128.42) (  -0.38,-130.21)  204.23                80
 01/11/2020   05:49:20   (   0.05,-128.42) (   0.76,-125.22)  365.16                80