Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 11 18.  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)
 11/19/2019   05:45:24   (   0.23,-128.50) (   1.16,-124.40)  466.78                80
 11/20/2019   18:04:16   (  -0.22,-128.49) (  -0.11,-128.96)   53.85                80
 11/23/2019   06:05:18   (   0.22,-128.47) (   0.21,-128.56)    9.86                80
 11/25/2019   18:03:32   (  -0.21,-128.44) (  -0.30,-128.12)   36.47                80
 11/27/2019   06:22:32   (   0.20,-128.43) (  -0.74,-132.71)  488.00                80
 11/28/2019   05:59:13   (   0.20,-128.41) (   0.34,-127.71)   79.39                80
 11/29/2019   18:18:05   (  -0.19,-128.38) (   0.70,-132.27)  443.51                80
 11/30/2019   18:00:07   (  -0.19,-128.36) (  -0.44,-127.28)  124.01                80
 12/02/2019   06:19:07   (   0.18,-128.35) (  -0.61,-131.86)  400.69                80