Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 12 20.  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)
 12/21/2020   06:54:28   (   0.02,-137.23) (  -0.74,-140.60)  384.45                80
 12/22/2020   06:31:10   (   0.03,-137.22) (   0.39,-135.61)  184.09                80
 12/23/2020   18:52:42   (  -0.02,-137.22) (   0.65,-140.17)  336.48                80
 12/24/2020   18:29:24   (  -0.02,-137.21) (  -0.47,-135.18)  231.81                80
 12/26/2020   06:51:05   (   0.02,-137.20) (  -0.56,-139.77)  293.45                80
 12/27/2020   06:27:47   (   0.02,-137.19) (   0.56,-134.79)  274.30                80
 12/28/2020   18:46:39   (  -0.02,-137.17) (   0.47,-139.35)  247.73                80
 12/29/2020   18:28:40   (  -0.02,-137.16) (  -0.66,-134.36)  319.65                80
 12/31/2020   06:47:42   (   0.01,-137.13) (  -0.38,-138.95)  207.09                80
 01/01/2021   06:27:03   (   0.01,-137.11) (   0.74,-133.96)  359.84                80
 01/02/2021   18:43:15   (  -0.01,-137.08) (   0.34,-138.51)  163.60                80