Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 6 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)
 06/12/2019   18:38:21   (   0.01,-137.21) (  -0.07,-136.88)   37.55                80
 06/14/2019   06:57:21   (  -0.01,-137.19) (  -0.96,-141.47)  488.60                80
 06/15/2019   06:34:02   (  -0.01,-137.18) (   0.14,-136.48)   79.93                80
 06/16/2019   18:52:54   (   0.01,-137.19) (   0.87,-141.04)  438.58                80
 06/17/2019   18:34:55   (   0.00,-137.19) (  -0.23,-136.04)  129.85                80
 06/19/2019   06:53:55   (  -0.00,-137.16) (  -0.79,-140.64)  397.15                80
 06/20/2019   06:30:36   (   0.01,-137.15) (   0.37,-135.65)  170.62                80
 06/21/2019   18:49:28   (  -0.01,-137.15) (   0.70,-140.21)  349.19                80
 06/22/2019   18:31:29   (  -0.01,-137.14) (  -0.46,-135.22)  218.72                80
 06/24/2019   06:50:29   (   0.01,-137.10) (  -0.61,-139.80)  308.54                80
 06/25/2019   06:27:10   (   0.02,-137.09) (   0.55,-134.82)  258.77                80