Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 8 29.  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)
 08/30/2018   06:14:10   (   0.14,-134.73) (   0.89,-131.38)  381.82                80
 08/31/2018   18:30:21   (  -0.17,-134.89) (   0.08,-135.94)  121.13                80
 09/01/2018   18:12:20   (  -0.15,-134.93) (  -1.03,-130.95)  453.72                80
 09/03/2018   06:28:39   (   0.18,-134.91) (   0.02,-135.55)   73.45                80
 09/05/2018   18:29:30   (  -0.19,-135.09) (  -0.21,-135.13)    5.44                80
 09/08/2018   06:27:48   (   0.21,-135.09) (   0.26,-134.73)   41.34                80
 09/09/2018   18:43:59   (  -0.24,-135.22) (   0.66,-139.31)  465.34                80
 09/10/2018   18:25:59   (  -0.22,-135.25) (  -0.45,-134.31)  108.19                80
 09/12/2018   06:42:18   (   0.25,-135.23) (  -0.55,-138.91)  418.97                80