Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 9 8.  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)
 09/10/2018   06:22:33   (   0.21,-135.18) (  -0.06,-136.41)  139.54                80
 09/11/2018   06:04:31   (   0.19,-135.22) (   1.06,-131.41)  433.88                80
 09/12/2018   18:20:41   (  -0.22,-135.35) (  -0.09,-135.99)   72.36                80
 09/15/2018   06:18:55   (   0.23,-135.35) (   0.16,-135.58)   26.70                80
 09/17/2018   18:19:43   (  -0.24,-135.50) (  -0.30,-135.16)   38.52                80
 09/19/2018   06:36:01   (   0.26,-135.47) (  -0.69,-139.76)  489.11                80
 09/20/2018   06:17:59   (   0.24,-135.49) (   0.43,-134.77)   83.12                80
 09/21/2018   18:34:08   (  -0.27,-135.59) (   0.55,-139.34)  426.30                80
 09/22/2018   18:16:06   (  -0.25,-135.62) (  -0.52,-134.33)  146.05                80