Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 8 13.  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)
 08/14/2017   06:42:41   (   0.09,-134.90) (  -0.79,-138.86)  451.16                80
 08/15/2017   06:24:40   (   0.06,-134.91) (   0.30,-133.86)  120.23                80
 08/16/2017   18:40:51   (  -0.10,-135.05) (   0.67,-138.43)  385.67                80
 08/17/2017   18:22:51   (  -0.07,-135.06) (  -0.42,-133.43)  185.58                80
 08/19/2017   06:39:11   (   0.11,-134.97) (  -0.55,-138.04)  349.37                80
 08/20/2017   06:21:11   (   0.09,-134.97) (   0.54,-133.04)  221.17                80
 08/21/2017   18:37:22   (  -0.13,-135.10) (   0.44,-137.61)  286.09                80
 08/22/2017   18:19:22   (  -0.11,-135.11) (  -0.65,-132.61)  284.73                80
 08/24/2017   06:35:41   (   0.14,-135.01) (  -0.36,-137.21)  250.10                80
 08/25/2017   06:17:41   (   0.12,-135.02) (   0.73,-132.21)  320.16                80
 08/26/2017   18:33:53   (  -0.15,-135.13) (   0.19,-136.79)  188.07                80