Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 6 17.  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)
 06/18/2020   06:02:05   (  -0.10,-127.72) (  -0.09,-127.70)    2.56                50
 06/20/2020   18:00:47   (   0.09,-127.82) (  -0.04,-127.27)   62.80                80
 06/22/2020   06:19:47   (  -0.08,-127.86) (  -0.96,-131.87)  456.63                80
 06/23/2020   05:56:28   (  -0.08,-127.89) (   0.17,-126.88)  115.60                80
 06/24/2020   18:15:19   (   0.07,-127.94) (   0.84,-131.44)  399.08                80
 06/25/2020   17:57:20   (   0.07,-127.97) (  -0.29,-126.45)  173.33                80
 06/27/2020   06:16:19   (  -0.06,-128.01) (  -0.76,-131.04)  346.42                80
 06/28/2020   05:53:00   (  -0.07,-128.03) (   0.37,-126.05)  225.37                80
 06/29/2020   18:11:51   (   0.06,-128.07) (   0.65,-130.61)  290.39                80
 06/30/2020   17:53:51   (   0.06,-128.09) (  -0.48,-125.62)  281.62                80