Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 25.  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)
 10/26/2018   06:34:25   (   0.31,-135.32) (   0.09,-136.40)  122.30                80
 10/27/2018   06:11:04   (   0.30,-135.29) (   1.15,-131.39)  443.54                80
 10/28/2018   18:29:56   (  -0.31,-135.30) (  -0.17,-135.96)   75.53                80
 10/29/2018   18:11:56   (  -0.30,-135.26) (  -1.23,-130.95)  490.43                80
 10/31/2018   06:30:55   (   0.30,-135.16) (   0.21,-135.55)   44.43                80
 11/02/2018   18:26:27   (  -0.29,-135.10) (  -0.29,-135.11)    0.45                80
 11/05/2018   06:24:46   (   0.29,-134.96) (   0.34,-134.70)   30.23                80
 11/06/2018   18:43:37   (  -0.29,-134.93) (   0.70,-139.25)  492.61                80
 11/07/2018   18:25:38   (  -0.29,-134.89) (  -0.43,-134.26)   72.41                80