Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2017 12 8.  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)
 12/09/2017   14:52:11   (   0.02, -77.65) (   0.72, -80.73)  351.06                80
 12/10/2017   14:34:08   (   0.03, -76.33) (  -0.15, -75.68)   75.02                80
 12/13/2017   02:29:37   (  -0.03, -72.98) (  -0.53, -75.11)  243.30                80
 12/14/2017   02:11:33   (  -0.03, -71.67) (   0.33, -70.06)  183.35                80
 12/16/2017   14:06:54   (   0.02, -68.38) (   0.26, -69.48)  124.53                80
 12/17/2017   13:48:49   (   0.02, -67.07) (  -0.55, -64.41)  302.51                80
 12/19/2017   02:05:04   (  -0.03, -65.05) (  -0.87, -68.93)  441.21                80
 12/20/2017   01:44:19   (  -0.03, -63.75) (  -0.07, -63.86)   13.47                80
 12/21/2017   01:26:16   (  -0.04, -62.44) (   0.80, -58.81)  414.25                80
 12/22/2017   13:42:20   (   0.04, -60.48) (   0.65, -63.28)  318.97                80