Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 4 17.  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)
 04/18/2020   18:04:22   (   0.27,-128.01) (   0.29,-128.08)    8.43                80
 04/21/2020   06:00:04   (  -0.26,-128.03) (  -0.18,-127.69)   39.24                80
 04/22/2020   18:18:55   (   0.27,-128.11) (   1.22,-132.24)  472.07                80
 04/23/2020   18:00:56   (   0.26,-128.13) (   0.06,-127.26)   99.42                80
 04/25/2020   06:19:57   (  -0.26,-128.12) (  -1.11,-131.85)  425.47                80
 04/26/2020   05:56:38   (  -0.26,-128.14) (   0.05,-126.87)  145.27                80
 04/27/2020   18:15:30   (   0.26,-128.20) (   0.99,-131.42)  367.74                80
 04/28/2020   17:57:31   (   0.25,-128.21) (  -0.17,-126.44)  202.78                80
 04/30/2020   06:16:31   (  -0.25,-128.19) (  -0.87,-131.03)  323.46                80
 05/01/2020   05:53:12   (  -0.25,-128.20) (   0.23,-126.04)  246.45                80