Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 8 31.  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)
 08/31/2017   18:30:22   (  -0.17,-135.11) (   0.02,-135.95)   96.04                80
 09/01/2017   18:12:22   (  -0.15,-135.10) (  -1.08,-130.95)  473.08                80
 09/03/2017   06:28:41   (   0.18,-134.99) (   0.07,-135.55)   63.60                80
 09/05/2017   18:26:52   (  -0.19,-135.06) (  -0.19,-135.12)    7.44                80
 09/08/2017   06:25:09   (   0.20,-134.93) (   0.23,-134.71)   24.24                80
 09/09/2017   18:44:01   (  -0.23,-134.99) (   0.76,-139.28)  490.14                80
 09/10/2017   18:26:00   (  -0.21,-134.97) (  -0.34,-134.28)   77.69                80
 09/12/2017   06:42:20   (   0.23,-134.85) (  -0.65,-138.88)  458.96                80
 09/13/2017   06:24:19   (   0.22,-134.83) (   0.45,-133.89)  107.66                80