Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 11.  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)
 05/12/2018   18:28:34   (  -0.14,-135.44) (  -0.21,-135.18)   29.96                80
 05/14/2018   06:47:34   (   0.14,-135.40) (  -0.84,-139.78)  498.48                80
 05/15/2018   06:29:34   (   0.14,-135.39) (   0.31,-134.79)   69.09                80
 05/16/2018   18:48:24   (  -0.15,-135.38) (   0.73,-139.35)  451.41                80
 05/17/2018   18:25:04   (  -0.15,-135.36) (  -0.35,-134.34)  115.31                80
 05/19/2018   06:44:04   (   0.15,-135.30) (  -0.63,-138.95)  414.99                80
 05/20/2018   06:26:04   (   0.16,-135.28) (   0.46,-133.95)  151.47                80
 05/21/2018   18:44:54   (  -0.16,-135.26) (   0.59,-138.51)  370.06                80
 05/22/2018   18:21:35   (  -0.16,-135.24) (  -0.56,-133.52)  196.08                80
 05/24/2018   06:40:34   (   0.16,-135.17) (  -0.47,-138.11)  334.74                80
 05/25/2018   06:22:33   (   0.17,-135.14) (   0.62,-133.11)  231.46                80