Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2017 12 22.  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)
 12/22/2017   14:29:41   (  -0.00, -75.18) (   0.11, -75.58)   47.13                80
 12/25/2017   02:25:20   (   0.00, -75.17) (   0.02, -75.20)    4.15                80
 12/27/2017   14:23:29   (  -0.00, -75.17) (  -0.08, -74.76)   46.64                80
 12/29/2017   02:42:27   (   0.00, -75.16) (  -0.95, -79.35)  477.78                80
 12/30/2017   02:24:26   (   0.00, -75.16) (   0.16, -74.36)   91.73                80
 12/31/2017   14:43:17   (  -0.00, -75.17) (   0.84, -78.92)  427.19                80
 01/01/2018   14:19:56   (   0.00, -75.17) (  -0.28, -73.93)  142.15                80
 01/03/2018   02:38:55   (  -0.00, -75.17) (  -0.75, -78.52)  381.92                80
 01/04/2018   02:20:54   (  -0.01, -75.18) (   0.37, -73.53)  188.16                80