Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2017 12 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/27/2017   02:40:06   (  -0.02, -75.19) (  -0.58, -77.73)  289.58                80
 12/28/2017   02:22:07   (  -0.01, -75.20) (   0.52, -72.74)  280.45                80
 12/29/2017   14:40:59   (   0.00, -75.23) (   0.45, -77.31)  236.90                80
 12/30/2017   14:17:40   (  -0.00, -75.23) (  -0.65, -72.31)  332.95                80
 01/01/2018   02:36:40   (   0.00, -75.23) (  -0.40, -76.90)  190.74                80
 01/02/2018   02:18:41   (  -0.00, -75.25) (   0.77, -71.92)  379.75                80
 01/03/2018   14:37:33   (   0.01, -75.28) (   0.26, -76.48)  136.34                80
 01/04/2018   14:14:13   (   0.02, -75.29) (  -0.84, -71.48)  434.33                80
 01/06/2018   02:33:14   (  -0.03, -75.30) (  -0.20, -76.07)   88.16                80
 01/07/2018   02:15:14   (  -0.03, -75.32) (   0.90, -71.08)  483.23                80
 01/08/2018   14:34:06   (   0.03, -75.37) (   0.07, -75.65)   31.29                80