Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 27.  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)
 10/28/2018   18:29:56   (  -0.31,-135.30) (  -0.15,-135.96)   75.19                80
 10/29/2018   18:11:57   (  -0.30,-135.27) (  -1.27,-130.96)  490.84                80
 10/31/2018   06:30:55   (   0.30,-135.16) (   0.19,-135.54)   44.35                80
 11/02/2018   18:29:07   (  -0.29,-135.11) (  -0.27,-135.10)    2.55                80
 11/05/2018   06:24:47   (   0.29,-134.97) (   0.38,-134.70)   30.87                80
 11/06/2018   18:43:38   (  -0.29,-134.95) (   0.66,-139.26)  491.50                80
 11/07/2018   18:25:37   (  -0.29,-134.91) (  -0.41,-134.25)   73.65                80
 11/09/2018   06:44:37   (   0.29,-134.81) (  -0.62,-138.85)  460.48                80
 11/10/2018   06:21:17   (   0.29,-134.76) (   0.51,-133.85)  103.50                80