Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 11 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)
 11/09/2017   06:43:56   (   0.23,-134.59) (  -0.69,-138.84)  483.64                80
 11/10/2017   06:20:35   (   0.23,-134.64) (   0.44,-133.85)   90.20                80
 11/11/2017   18:39:25   (  -0.22,-134.69) (   0.59,-138.41)  423.34                80
 11/12/2017   18:21:24   (  -0.23,-134.74) (  -0.54,-133.41)  151.20                80
 11/14/2017   06:40:22   (   0.22,-134.83) (  -0.51,-138.01)  362.90                80
 11/15/2017   06:17:02   (   0.22,-134.86) (   0.61,-133.01)  210.57                80
 11/16/2017   18:35:51   (  -0.22,-134.91) (   0.40,-137.57)  304.19                80
 11/17/2017   18:17:51   (  -0.22,-134.95) (  -0.72,-132.58)  269.86                80
 11/19/2017   06:36:50   (   0.21,-135.04) (  -0.26,-137.18)  244.38                80
 11/20/2017   06:13:30   (   0.21,-135.07) (   0.86,-132.19)  328.41                80
 11/21/2017   18:32:19   (  -0.20,-135.09) (   0.15,-136.75)  188.13                80
 11/22/2017   18:14:18   (  -0.20,-135.13) (  -0.98,-131.75)  385.15                80