Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 3 21.  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)
 03/23/2020   05:59:59   (  -0.25,-128.11) (  -0.16,-127.67)   50.36                80
 03/24/2020   18:21:31   (   0.27,-128.13) (   1.18,-132.23)  467.23                80
 03/25/2020   17:58:12   (   0.25,-128.11) (   0.09,-127.23)   98.63                80
 03/27/2020   06:19:52   (  -0.27,-128.01) (  -1.12,-131.83)  435.24                80
 03/28/2020   05:56:33   (  -0.26,-127.98) (  -0.02,-126.83)  130.22                80
 03/29/2020   18:18:05   (   0.27,-127.98) (   1.04,-131.39)  388.64                80
 03/30/2020   17:54:47   (   0.26,-127.95) (  -0.11,-126.41)  176.35                80
 04/01/2020   06:16:26   (  -0.27,-127.84) (  -0.97,-130.99)  359.09                80
 04/02/2020   05:53:07   (  -0.26,-127.80) (   0.12,-125.99)  205.44                80
 04/03/2020   18:14:39   (   0.27,-127.79) (   0.89,-130.56)  314.82                80