Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 2 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 02/16/2018   18:30:23   (   0.03,-135.42) (   0.32,-136.72)  148.60                80
 02/17/2018   18:12:23   (   0.03,-135.42) (  -0.81,-131.73)  421.26                80
 02/19/2018   06:31:21   (  -0.03,-135.43) (  -0.21,-136.33)  101.33                80
 02/20/2018   06:08:00   (  -0.03,-135.43) (   0.87,-131.32)  468.02                80
 02/21/2018   18:26:50   (   0.03,-135.43) (   0.10,-135.90)   52.88                80
 02/24/2018   06:27:47   (  -0.02,-135.42) (  -0.05,-135.49)    8.25                80
 02/26/2018   18:25:56   (   0.02,-135.39) (  -0.06,-135.06)   37.51                80
 02/28/2018   06:44:54   (  -0.01,-135.38) (  -0.95,-139.66)  487.38                80
 03/01/2018   06:21:33   (  -0.02,-135.37) (   0.12,-134.66)   80.54                80