Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 6 18.  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)
 06/19/2019   06:53:56   (   0.01,-137.19) (  -0.76,-140.64)  393.91                80
 06/20/2019   06:30:36   (   0.02,-137.18) (   0.35,-135.65)  174.32                80
 06/21/2019   18:49:28   (  -0.03,-137.19) (   0.66,-140.21)  344.58                80
 06/22/2019   18:31:29   (  -0.04,-137.19) (  -0.44,-135.22)  223.87                80
 06/24/2019   06:50:29   (   0.04,-137.16) (  -0.57,-139.81)  302.96                80
 06/25/2019   06:27:11   (   0.04,-137.15) (   0.59,-134.83)  264.98                80
 06/26/2019   18:46:02   (  -0.04,-137.15) (   0.48,-139.38)  254.96                80
 06/27/2019   18:28:04   (  -0.04,-137.14) (  -0.68,-134.40)  312.94                80
 06/29/2019   06:47:03   (   0.04,-137.10) (  -0.39,-138.98)  214.64                80
 06/30/2019   06:23:43   (   0.04,-137.08) (   0.72,-133.98)  352.37                80
 07/01/2019   18:42:36   (  -0.04,-137.06) (   0.29,-138.55)  169.49                80
 07/02/2019   18:24:36   (  -0.04,-137.04) (  -0.81,-133.55)  397.17                80