Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 5 10.  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)
 05/10/2020   06:09:39   (  -0.23,-128.28) (  -0.44,-129.39)  125.34                80
 05/11/2020   05:46:20   (  -0.22,-128.28) (   0.66,-124.39)  443.76                80
 05/12/2020   18:05:11   (   0.22,-128.33) (   0.36,-128.95)   70.48                80
 05/13/2020   17:47:12   (   0.21,-128.33) (  -0.75,-123.95)  498.78                80
 05/15/2020   06:06:13   (  -0.21,-128.29) (  -0.24,-128.56)   30.67                80
 05/17/2020   18:04:25   (   0.20,-128.33) (   0.15,-128.13)   23.64                80
 05/20/2020   06:00:06   (  -0.20,-128.28) (  -0.09,-127.72)   63.26                80
 05/21/2020   18:18:57   (   0.19,-128.32) (   1.11,-132.28)  452.94                80
 05/22/2020   18:00:59   (   0.19,-128.31) (  -0.06,-127.30)  115.63                80