Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 5 14.  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)
 05/15/2018   18:07:23   (  -0.14,-135.40) (  -0.93,-131.78)  412.01                80
 05/17/2018   06:26:22   (   0.15,-135.36) (  -0.06,-136.39)  116.84                80
 05/18/2018   06:08:20   (   0.15,-135.34) (   1.03,-131.39)  450.15                80
 05/19/2018   18:27:09   (  -0.16,-135.32) (  -0.00,-135.95)   71.78                80
 05/20/2018   18:03:49   (  -0.16,-135.30) (  -1.15,-130.96)  494.65                80
 05/22/2018   06:22:46   (   0.16,-135.24) (   0.11,-135.56)   35.40                80
 05/24/2018   18:20:54   (  -0.17,-135.20) (  -0.18,-135.12)    9.02                80
 05/27/2018   06:21:50   (   0.17,-135.11) (   0.24,-134.71)   44.65                80
 05/28/2018   18:40:39   (  -0.16,-135.09) (   0.79,-139.28)  477.88                80