Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 7 13.  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)
 07/13/2021   06:34:15   (  -0.01,-137.17) (   0.33,-135.63)  175.48                80
 07/14/2021   18:50:28   (   0.00,-137.16) (   0.70,-140.19)  345.70                80
 07/15/2021   18:32:29   (   0.01,-137.15) (  -0.45,-135.20)  222.68                80
 07/17/2021   06:48:49   (  -0.00,-137.14) (  -0.58,-139.79)  302.28                80
 07/18/2021   06:30:50   (  -0.01,-137.13) (   0.51,-134.79)  265.70                80
 07/19/2021   18:47:02   (   0.01,-137.10) (   0.52,-139.35)  256.66                80
 07/20/2021   18:29:03   (   0.02,-137.09) (  -0.57,-134.35)  310.78                80
 07/22/2021   06:45:23   (  -0.02,-137.06) (  -0.45,-138.95)  215.59                80
 07/23/2021   06:27:24   (  -0.02,-137.04) (   0.64,-133.95)  351.30                80
 07/24/2021   18:43:37   (   0.01,-137.00) (   0.33,-138.52)  172.57                80
 07/25/2021   18:25:38   (   0.01,-136.98) (  -0.76,-133.52)  394.06                80