Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2017 12 10.  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)
 12/13/2017   02:29:37   (  -0.03, -72.98) (  -0.52, -75.12)  243.79                80
 12/14/2017   02:11:33   (  -0.02, -71.67) (   0.34, -70.07)  182.72                80
 12/16/2017   14:06:54   (   0.01, -68.37) (   0.24, -69.48)  125.64                80
 12/17/2017   13:48:50   (   0.02, -67.06) (  -0.56, -64.42)  301.31                80
 12/19/2017   02:05:04   (  -0.02, -65.04) (  -0.86, -68.93)  442.51                80
 12/20/2017   01:44:19   (  -0.02, -63.74) (  -0.05, -63.87)   14.79                80
 12/21/2017   01:26:15   (  -0.03, -62.43) (   0.75, -58.80)  412.79                80
 12/22/2017   13:42:19   (   0.03, -60.46) (   0.69, -63.27)  320.62                80
 12/23/2017   13:24:16   (   0.04, -59.16) (  -0.17, -58.22)  107.28                80