Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 1 12.  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)
 01/12/2021   18:36:28   (  -0.01,-137.25) (  -0.11,-136.88)   41.83                80
 01/14/2021   06:58:10   (  -0.00,-137.24) (  -0.94,-141.48)  483.16                80
 01/15/2021   06:34:50   (  -0.01,-137.24) (   0.13,-136.48)   85.96                80
 01/16/2021   18:56:22   (   0.02,-137.25) (   0.87,-141.04)  432.71                80
 01/17/2021   18:33:04   (   0.02,-137.25) (  -0.26,-136.06)  136.07                80
 01/19/2021   06:54:45   (  -0.02,-137.23) (  -0.79,-140.65)  389.52                80
 01/20/2021   06:31:27   (  -0.02,-137.23) (   0.35,-135.66)  178.95                80
 01/21/2021   18:52:58   (   0.02,-137.23) (   0.71,-140.22)  340.75                80
 01/22/2021   18:29:40   (   0.02,-137.22) (  -0.43,-135.23)  227.28                80
 01/24/2021   06:48:41   (  -0.02,-137.20) (  -0.62,-139.83)  299.50                80
 01/25/2021   06:30:42   (   0.00,-137.19) (   0.52,-134.84)  267.49                80