Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 1 27.  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)
 01/27/2020   17:57:58   (   0.00,-128.31) (  -0.22,-127.27)  118.47                80
 01/29/2020   06:16:59   (  -0.01,-128.30) (  -0.81,-131.87)  406.35                80
 01/30/2020   05:59:01   (  -0.01,-128.28) (   0.33,-126.88)  160.49                80
 01/31/2020   18:17:52   (   0.01,-128.23) (   0.73,-131.43)  364.92                80
 02/01/2020   17:54:34   (   0.01,-128.20) (  -0.41,-126.44)  201.35                80
 02/03/2020   06:13:34   (  -0.01,-128.18) (  -0.67,-131.03)  324.78                80
 02/04/2020   05:55:36   (  -0.01,-128.15) (   0.47,-126.04)  241.21                80
 02/05/2020   18:14:28   (   0.01,-128.09) (   0.54,-130.60)  285.52                80
 02/06/2020   17:51:08   (   0.02,-128.06) (  -0.54,-125.60)  280.23                80
 02/08/2020   06:10:10   (  -0.00,-128.02) (  -0.47,-130.20)  247.84                80
 02/09/2020   05:52:10   (  -0.00,-127.99) (   0.62,-125.20)  317.49                80