Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 6 19.  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) (  -0.05,-127.27)   62.86                80
 06/22/2020   06:19:48   (  -0.08,-127.86) (  -0.95,-131.88)  456.53                80
 06/23/2020   05:56:27   (  -0.08,-127.89) (   0.12,-126.87)  115.71                80
 06/24/2020   18:15:19   (   0.07,-127.94) (   0.83,-131.45)  399.00                80
 06/25/2020   17:57:19   (   0.07,-127.97) (  -0.24,-126.44)  173.45                80
 06/27/2020   06:16:19   (  -0.06,-128.01) (  -0.74,-131.04)  346.24                80
 06/28/2020   05:53:00   (  -0.06,-128.03) (   0.39,-126.05)  225.56                80
 06/29/2020   18:11:51   (   0.06,-128.07) (   0.63,-130.61)  290.21                80
 06/30/2020   17:53:52   (   0.06,-128.09) (  -0.50,-125.62)  281.80                80
 07/02/2020   06:12:51   (  -0.05,-128.13) (  -0.54,-130.21)  238.17                80