Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 6 6.  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)
 06/06/2021   18:39:07   (   0.04,-137.18) (  -0.04,-136.86)   36.85                80
 06/08/2021   06:55:28   (  -0.04,-137.16) (  -0.99,-141.46)  489.52                80
 06/09/2021   06:37:29   (  -0.04,-137.15) (   0.09,-136.45)   78.39                80
 06/10/2021   18:53:41   (   0.03,-137.14) (   0.92,-141.02)  442.76                80
 06/11/2021   18:35:42   (   0.03,-137.12) (  -0.22,-136.03)  124.56                80
 06/13/2021   06:52:04   (  -0.02,-137.08) (  -0.81,-140.62)  403.26                80
 06/14/2021   06:34:04   (  -0.02,-137.07) (   0.27,-135.62)  163.65                80
 06/15/2021   18:50:17   (   0.02,-137.04) (   0.74,-140.18)  358.77                80
 06/16/2021   18:32:18   (   0.02,-137.02) (  -0.40,-135.20)  207.85                80
 06/18/2021   06:48:39   (  -0.02,-136.97) (  -0.62,-139.79)  320.78                80
 06/19/2021   06:30:40   (  -0.01,-136.95) (   0.46,-134.79)  245.52                80