Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2017 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/25/2017   02:28:00   (   0.01, -75.18) (   0.03, -75.20)    3.38                80
 12/27/2017   14:23:29   (  -0.01, -75.20) (  -0.08, -74.76)   50.19                80
 12/29/2017   02:42:28   (   0.01, -75.20) (  -0.89, -79.36)  473.39                80
 12/30/2017   02:24:28   (   0.01, -75.21) (   0.23, -74.37)   96.87                80
 12/31/2017   14:43:17   (  -0.01, -75.24) (   0.84, -78.92)  420.69                80
 01/01/2018   14:19:56   (  -0.01, -75.24) (  -0.28, -73.93)  149.39                80
 01/03/2018   02:38:55   (   0.01, -75.25) (  -0.75, -78.52)  373.78                80
 01/04/2018   02:20:54   (   0.00, -75.26) (   0.37, -73.53)  197.01                80
 01/05/2018   14:39:44   (   0.01, -75.30) (   0.64, -78.09)  319.06                80
 01/06/2018   14:16:24   (   0.01, -75.31) (  -0.48, -73.10)  252.02                80