Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2017 12 20.  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)
 12/22/2017   02:43:32   (  -0.02, -75.18) (  -0.79, -78.56)  385.17                80
 12/23/2017   02:25:33   (  -0.02, -75.18) (   0.32, -73.56)  184.18                80
 12/24/2017   14:44:24   (   0.03, -75.18) (   0.71, -78.12)  335.24                80
 12/25/2017   14:21:06   (   0.03, -75.18) (  -0.45, -73.14)  233.99                80
 12/27/2017   02:40:06   (  -0.03, -75.19) (  -0.61, -77.73)  289.52                80
 12/28/2017   02:22:06   (  -0.03, -75.19) (   0.50, -72.73)  280.19                80
 12/29/2017   14:40:59   (   0.03, -75.20) (   0.47, -77.30)  238.47                80
 12/30/2017   14:17:39   (   0.03, -75.21) (  -0.63, -72.31)  330.97                80
 01/01/2018   02:36:40   (  -0.03, -75.21) (  -0.42, -76.90)  192.52                80
 01/02/2018   02:18:40   (  -0.03, -75.22) (   0.69, -71.90)  377.51                80
 01/03/2018   14:37:32   (   0.03, -75.24) (   0.28, -76.47)  140.18                80