Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 6 12.  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)
 06/13/2020   18:43:29   (   0.02,-137.19) (   0.34,-138.55)  155.52                80
 06/14/2020   18:25:30   (   0.02,-137.19) (  -0.79,-133.56)  413.70                80
 06/16/2020   06:41:50   (  -0.02,-137.18) (  -0.22,-138.16)  111.08                80
 06/17/2020   06:23:50   (  -0.02,-137.18) (   0.85,-133.15)  457.74                80
 06/18/2020   18:40:01   (   0.02,-137.17) (   0.15,-137.72)   62.31                80
 06/21/2020   06:41:02   (  -0.01,-137.14) (  -0.02,-137.33)   20.67                80
 06/23/2020   18:39:13   (   0.00,-137.11) (  -0.04,-136.88)   25.38                80
 06/26/2020   06:34:53   (  -0.00,-137.05) (   0.12,-136.48)   65.18                80