Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 9 11.  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)
 09/11/2021   18:32:37   (  -0.03,-137.20) (  -0.50,-135.17)  231.66                80
 09/13/2021   06:48:57   (   0.03,-137.19) (  -0.55,-139.76)  293.23                80
 09/14/2021   06:30:57   (   0.03,-137.18) (   0.56,-134.77)  275.16                80
 09/15/2021   18:47:09   (  -0.03,-137.17) (   0.46,-139.32)  245.77                80
 09/16/2021   18:29:09   (  -0.03,-137.16) (  -0.65,-134.33)  322.31                80
 09/18/2021   06:48:10   (   0.03,-137.14) (  -0.40,-138.92)  203.48                80
 09/19/2021   06:24:51   (   0.03,-137.13) (   0.77,-133.94)  364.54                80
 09/20/2021   18:43:41   (  -0.03,-137.11) (   0.30,-138.48)  156.68                80
 09/21/2021   18:25:42   (  -0.03,-137.10) (  -0.81,-133.49)  411.22                80
 09/23/2021   06:44:43   (   0.03,-137.08) (  -0.17,-138.09)  114.91                80
 09/24/2021   06:21:53   (   0.03,-137.06) (   0.94,-133.09)  452.63                51