Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 7 14.  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)
 07/14/2021   18:50:28   (   0.00,-137.20) (   0.68,-140.19)  341.71                80
 07/15/2021   18:32:29   (   0.00,-137.20) (  -0.41,-135.19)  228.11                80
 07/17/2021   06:48:50   (  -0.00,-137.20) (  -0.56,-139.80)  295.24                80
 07/18/2021   06:30:50   (  -0.01,-137.20) (   0.53,-134.80)  274.17                80
 07/19/2021   18:47:03   (   0.01,-137.21) (   0.50,-139.36)  245.44                80
 07/20/2021   18:29:03   (   0.02,-137.20) (  -0.59,-134.36)  323.44                80
 07/22/2021   06:45:23   (  -0.02,-137.19) (  -0.43,-138.95)  201.33                80
 07/23/2021   06:24:45   (  -0.02,-137.18) (   0.72,-133.97)  366.99                80
 07/24/2021   18:46:17   (   0.01,-137.17) (   0.31,-138.52)  154.12                80
 07/25/2021   18:22:58   (   0.01,-137.16) (  -0.78,-133.53)  413.93                80
 07/27/2021   06:44:38   (  -0.00,-137.15) (  -0.24,-138.12)  111.50                80