Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 9 3.  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)
 09/03/2021   06:55:50   (   0.03,-137.20) (  -0.91,-141.44)  482.83                80
 09/04/2021   06:37:51   (   0.03,-137.20) (   0.19,-136.44)   86.01                80
 09/05/2021   18:54:02   (  -0.03,-137.20) (   0.83,-141.00)  433.60                80
 09/06/2021   18:36:03   (  -0.03,-137.19) (  -0.27,-136.00)  135.01                80
 09/08/2021   06:52:24   (   0.04,-137.17) (  -0.72,-140.60)  390.73                80
 09/09/2021   06:34:24   (   0.03,-137.16) (   0.39,-135.61)  177.53                80
 09/10/2021   18:50:36   (  -0.03,-137.15) (   0.63,-140.16)  343.01                80
 09/11/2021   18:32:36   (  -0.03,-137.14) (  -0.48,-135.17)  224.74                80
 09/13/2021   06:48:57   (   0.03,-137.10) (  -0.57,-139.76)  302.52                80
 09/14/2021   06:30:57   (   0.03,-137.09) (   0.54,-134.76)  264.64                80
 09/15/2021   18:47:08   (  -0.03,-137.06) (   0.48,-139.32)  257.50                80
 09/16/2021   18:29:09   (  -0.02,-137.04) (  -0.63,-134.32)  309.37                80