Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2017 12 20.  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)
 12/21/2017   02:10:51   (  -0.02, -75.19) (   0.89, -71.02)  475.03                80
 12/22/2017   14:29:41   (   0.03, -75.19) (   0.11, -75.58)   44.72                80
 12/25/2017   02:27:59   (  -0.03, -75.20) (  -0.04, -75.18)    1.88                80
 12/27/2017   14:23:29   (   0.04, -75.22) (  -0.08, -74.75)   53.02                80
 12/29/2017   02:42:27   (  -0.03, -75.22) (  -0.96, -79.35)  470.13                80
 12/30/2017   02:24:26   (  -0.03, -75.23) (   0.16, -74.35)  100.05                80
 12/31/2017   14:43:17   (   0.03, -75.25) (   0.85, -78.92)  417.81                80
 01/01/2018   14:19:56   (   0.03, -75.26) (  -0.27, -73.93)  152.18                80
 01/03/2018   02:38:54   (  -0.03, -75.27) (  -0.75, -78.52)  370.70                80