Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 3 11.  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)
 03/11/2020   17:47:52   (   0.20,-128.39) (  -0.62,-124.76)  414.05                80
 03/13/2020   06:09:31   (  -0.23,-128.32) (  -0.47,-129.34)  116.36                80
 03/14/2020   05:46:12   (  -0.21,-128.31) (   0.68,-124.36)  450.67                80
 03/15/2020   18:07:45   (   0.23,-128.34) (   0.35,-128.92)   65.75                80
 03/18/2020   06:06:06   (  -0.24,-128.24) (  -0.29,-128.51)   30.53                80
 03/20/2020   18:01:38   (   0.24,-128.25) (   0.22,-128.08)   19.15                80
 03/23/2020   05:59:59   (  -0.25,-128.15) (  -0.15,-127.67)   53.86                80
 03/24/2020   18:21:31   (   0.27,-128.17) (   1.18,-132.23)  463.57                80