Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 7 20.  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)
 07/21/2018   18:19:05   (  -0.11,-135.52) (  -0.18,-135.14)   43.97                80
 07/23/2018   06:40:42   (   0.07,-135.50) (  -0.87,-139.73)  482.22                80
 07/24/2018   06:17:22   (   0.10,-135.50) (   0.29,-134.74)   86.42                80
 07/25/2018   18:38:49   (  -0.06,-135.52) (   0.78,-139.29)  429.62                80
 07/26/2018   18:15:28   (  -0.09,-135.52) (  -0.38,-134.31)  138.55                80
 07/28/2018   06:37:05   (   0.06,-135.48) (  -0.72,-138.89)  388.71                80
 07/29/2018   06:13:44   (   0.09,-135.48) (   0.44,-133.91)  179.20                80
 07/30/2018   18:35:12   (  -0.05,-135.50) (   0.63,-138.45)  337.63                80
 07/31/2018   18:11:51   (  -0.08,-135.49) (  -0.54,-133.47)  229.95                80
 08/02/2018   06:33:28   (   0.04,-135.44) (  -0.51,-138.06)  298.14                80
 08/03/2018   06:10:07   (   0.07,-135.43) (   0.60,-133.07)  269.15                80