Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 9 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)
 09/13/2020   05:59:11   (  -0.03,-128.16) (   0.08,-127.65)   57.86                80
 09/14/2020   18:20:41   (   0.04,-128.16) (   0.94,-132.21)  461.97                80
 09/15/2020   17:57:22   (   0.03,-128.18) (  -0.21,-127.22)  109.43                80
 09/17/2020   06:19:01   (  -0.04,-128.25) (  -0.84,-131.81)  406.50                80
 09/18/2020   05:55:41   (  -0.03,-128.27) (   0.31,-126.83)  164.45                80
 09/19/2020   18:17:11   (   0.04,-128.25) (   0.77,-131.37)  356.29                80
 09/20/2020   17:53:51   (   0.04,-128.27) (  -0.38,-126.38)  214.56                80
 09/22/2020   06:15:31   (  -0.05,-128.33) (  -0.67,-130.97)  302.07                80
 09/23/2020   05:52:11   (  -0.04,-128.34) (   0.48,-125.99)  268.26                80
 09/24/2020   18:13:41   (   0.06,-128.31) (   0.53,-130.55)  253.68                80