Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 7 31.  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)
 07/31/2018   06:35:22   (   0.05,-135.44) (  -0.17,-136.40)  110.33                80
 08/01/2018   06:12:03   (   0.08,-135.43) (   0.99,-131.42)  457.01                80
 08/02/2018   18:33:32   (  -0.04,-135.45) (   0.06,-135.97)   59.00                80
 08/05/2018   06:31:50   (   0.02,-135.36) (  -0.03,-135.56)   22.64                80
 08/07/2018   18:27:20   (  -0.02,-135.35) (  -0.08,-135.13)   26.27                80
 08/10/2018   06:25:37   (   0.00,-135.24) (   0.11,-134.72)   59.79                80
 08/11/2018   18:47:07   (   0.04,-135.24) (   0.93,-139.27)  458.58                80
 08/12/2018   18:23:47   (   0.00,-135.21) (  -0.23,-134.28)  106.79                80