Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2018 9 21.  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)
 09/22/2018   14:14:16   (  -0.00, -75.20) (  -0.81, -71.47)  424.37                80
 09/24/2018   02:33:17   (   0.00, -75.21) (  -0.18, -76.08)   98.88                80
 09/25/2018   02:09:58   (   0.00, -75.21) (   0.92, -71.08)  470.93                80
 09/26/2018   14:28:50   (  -0.00, -75.23) (   0.07, -75.65)   47.20                80
 09/29/2018   02:27:11   (   0.00, -75.25) (  -0.00, -75.24)    1.00                80
 10/01/2018   14:28:04   (  -0.00, -75.28) (  -0.10, -74.81)   52.70                80
 10/03/2018   02:47:04   (   0.00, -75.29) (  -0.93, -79.41)  469.24                80
 10/04/2018   02:23:45   (   0.00, -75.30) (   0.18, -74.41)  101.17                80
 10/05/2018   14:42:37   (   0.00, -75.32) (   0.83, -78.97)  416.29                80