Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 10 22.  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)
 10/23/2019   17:46:02   (  -0.28,-128.28) (  -1.22,-123.98)  490.25                80
 10/25/2019   06:05:03   (   0.28,-128.31) (   0.21,-128.57)   30.27                80
 10/27/2019   18:03:18   (  -0.28,-128.36) (  -0.35,-128.15)   24.72                80
 10/29/2019   06:22:19   (   0.29,-128.39) (  -0.66,-132.75)  495.43                80
 10/30/2019   05:59:00   (   0.28,-128.41) (   0.41,-127.74)   75.34                80
 10/31/2019   18:17:53   (  -0.28,-128.43) (   0.58,-132.31)  442.43                80
 11/01/2019   17:59:55   (  -0.27,-128.44) (  -0.55,-127.32)  128.46                80
 11/03/2019   06:18:55   (   0.27,-128.47) (  -0.51,-131.90)  391.96                80
 11/04/2019   05:55:37   (   0.27,-128.48) (   0.62,-126.91)  178.31                80
 11/05/2019   18:14:30   (  -0.26,-128.49) (   0.38,-131.48)  340.43                80