Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 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)
 08/06/2021   06:37:47   (  -0.00,-137.18) (   0.14,-136.45)   83.25                80
 08/07/2021   18:53:59   (  -0.00,-137.18) (   0.88,-141.01)  437.23                80
 08/08/2021   18:36:01   (  -0.01,-137.17) (  -0.28,-136.02)  130.58                80
 08/10/2021   06:52:21   (   0.02,-137.14) (  -0.75,-140.62)  396.52                80
 08/11/2021   06:34:22   (   0.03,-137.12) (   0.35,-135.62)  171.12                80
 08/12/2021   18:50:34   (  -0.03,-137.11) (   0.66,-140.18)  350.04                80
 08/13/2021   18:32:35   (  -0.02,-137.09) (  -0.44,-135.18)  217.29                80
 08/15/2021   06:48:55   (   0.02,-137.05) (  -0.59,-139.78)  310.71                80
 08/16/2021   06:30:55   (   0.02,-137.03) (   0.51,-134.78)  256.02                80
 08/17/2021   18:47:08   (  -0.02,-137.00) (   0.49,-139.34)  266.67                80
 08/18/2021   18:29:08   (  -0.00,-136.97) (  -0.61,-134.34)  299.80                80