Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 6 20.  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)
 06/20/2020   18:00:47   (   0.09,-127.82) (  -0.03,-127.27)   62.86                80
 06/22/2020   06:19:47   (  -0.08,-127.86) (  -0.97,-131.87)  456.43                80
 06/23/2020   05:56:28   (  -0.08,-127.89) (   0.16,-126.88)  115.80                80
 06/24/2020   18:15:19   (   0.07,-127.94) (   0.85,-131.44)  398.89                80
 06/25/2020   17:57:20   (   0.07,-127.97) (  -0.28,-126.45)  173.54                80
 06/27/2020   06:16:20   (  -0.06,-128.01) (  -0.71,-131.05)  346.08                80
 06/28/2020   05:52:59   (  -0.06,-128.03) (   0.36,-126.05)  225.76                80
 06/29/2020   18:11:51   (   0.06,-128.07) (   0.65,-130.61)  290.04                80
 06/30/2020   17:53:51   (   0.06,-128.09) (  -0.48,-125.62)  282.01                80
 07/02/2020   06:12:51   (  -0.05,-128.13) (  -0.50,-130.22)  237.91                80
 07/03/2020   05:49:31   (  -0.06,-128.15) (   0.57,-125.22)  333.25                80