Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 6 28.  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)
 06/28/2021   06:41:50   (  -0.02,-137.18) (  -0.24,-138.13)  107.63                80
 06/29/2021   06:23:52   (  -0.02,-137.18) (   0.90,-133.14)  460.99                80
 06/30/2021   18:40:04   (   0.02,-137.18) (   0.12,-137.70)   58.56                80
 07/03/2021   06:41:06   (  -0.02,-137.16) (  -0.02,-137.30)   16.11                80
 07/05/2021   18:39:19   (   0.02,-137.14) (  -0.04,-136.86)   31.87                80
 07/07/2021   06:55:39   (  -0.02,-137.11) (  -1.00,-141.45)  494.87                80
 07/08/2021   06:35:00   (  -0.02,-137.10) (   0.15,-136.47)   72.57                80
 07/09/2021   18:53:53   (   0.02,-137.08) (   0.88,-141.02)  449.47                80
 07/10/2021   18:35:53   (   0.01,-137.06) (  -0.21,-136.02)  117.41                80