Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 11 3.  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)
 11/05/2017   06:26:48   (   0.25,-134.60) (   0.25,-134.69)    9.87                80
 11/07/2017   18:24:56   (  -0.24,-134.50) (  -0.28,-134.24)   30.04                80
 11/10/2017   06:20:34   (   0.23,-134.35) (   0.36,-133.83)   58.82                80
 11/11/2017   18:39:23   (  -0.23,-134.28) (   0.67,-138.39)  467.51                80
 11/12/2017   18:21:22   (  -0.23,-134.23) (  -0.40,-133.38)   96.35                80
 11/14/2017   06:40:20   (   0.22,-134.14) (  -0.65,-137.97)  437.57                80
 11/15/2017   06:17:00   (   0.22,-134.08) (   0.48,-132.98)  125.22                80
 11/16/2017   18:35:49   (  -0.22,-134.00) (   0.54,-137.54)  402.49                80
 11/17/2017   18:17:47   (  -0.22,-133.95) (  -0.53,-132.53)  160.88                80