Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2017 12 13.  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)
 12/15/2017   14:27:58   (   0.01, -75.20) (  -0.11, -74.80)   46.25                80
 12/17/2017   02:46:58   (  -0.00, -75.20) (  -0.96, -79.39)  478.12                80
 12/18/2017   02:29:00   (  -0.01, -75.20) (   0.20, -74.41)   91.20                80
 12/19/2017   14:47:51   (   0.02, -75.20) (   0.83, -78.96)  428.13                80
 12/20/2017   14:24:32   (   0.02, -75.20) (  -0.27, -73.97)  141.11                80
 12/22/2017   02:43:32   (  -0.03, -75.20) (  -0.80, -78.56)  382.48                80
 12/23/2017   02:25:33   (  -0.04, -75.21) (   0.30, -73.56)  187.44                80
 12/24/2017   14:44:25   (   0.04, -75.22) (   0.67, -78.13)  330.58                80
 12/25/2017   14:21:05   (   0.04, -75.23) (  -0.43, -73.13)  239.22                80
 12/27/2017   02:40:06   (  -0.04, -75.24) (  -0.62, -77.72)  283.84                80