Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 12 18.  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)
 12/18/2020   18:56:05   (  -0.02,-137.23) (   0.84,-140.99)  429.10                80
 12/19/2020   18:32:47   (  -0.02,-137.23) (  -0.28,-136.00)  139.62                80
 12/21/2020   06:54:28   (   0.02,-137.22) (  -0.75,-140.60)  384.55                80
 12/22/2020   06:31:10   (   0.02,-137.22) (   0.38,-135.61)  183.92                80
 12/23/2020   18:52:42   (  -0.02,-137.21) (   0.67,-140.16)  337.03                80
 12/24/2020   18:29:24   (  -0.02,-137.21) (  -0.46,-135.17)  231.17                80
 12/26/2020   06:51:05   (   0.02,-137.20) (  -0.58,-139.77)  294.09                80
 12/27/2020   06:27:46   (   0.02,-137.18) (   0.55,-134.78)  273.61                80
 12/28/2020   18:46:39   (  -0.02,-137.16) (   0.48,-139.34)  248.70                80
 12/29/2020   18:28:40   (  -0.01,-137.15) (  -0.65,-134.35)  318.63                80
 12/31/2020   06:45:02   (   0.01,-137.12) (  -0.39,-138.95)  208.11                80