Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 12 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2020   06:31:10   (   0.02,-137.22) (   0.36,-135.60)  184.01                80
 12/23/2020   18:52:43   (  -0.02,-137.22) (   0.62,-140.17)  336.42                80
 12/24/2020   18:29:24   (  -0.02,-137.21) (  -0.50,-135.18)  231.82                80
 12/26/2020   06:51:06   (   0.02,-137.20) (  -0.53,-139.78)  293.81                80
 12/27/2020   06:27:46   (   0.02,-137.19) (   0.53,-134.78)  273.87                80
 12/28/2020   18:46:39   (  -0.02,-137.17) (   0.44,-139.35)  248.06                80
 12/29/2020   18:28:40   (  -0.02,-137.16) (  -0.63,-134.35)  319.27                80
 12/31/2020   06:47:41   (   0.01,-137.13) (  -0.41,-138.95)  207.81                80
 01/01/2021   06:24:23   (   0.01,-137.11) (   0.72,-133.96)  359.03                80
 01/02/2021   18:43:15   (  -0.01,-137.08) (   0.31,-138.52)  164.24                80
 01/03/2021   18:25:17   (  -0.01,-137.05) (  -0.82,-133.53)  402.31                80