Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 6 23.  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)
 06/24/2019   06:50:29   (   0.02,-137.18) (  -0.57,-139.81)  299.99                80
 06/25/2019   06:27:10   (   0.02,-137.17) (   0.53,-134.82)  268.29                80
 06/26/2019   18:46:02   (  -0.02,-137.18) (   0.47,-139.38)  250.95                80
 06/27/2019   18:28:03   (  -0.02,-137.17) (  -0.63,-134.38)  317.28                80
 06/29/2019   06:47:03   (   0.02,-137.14) (  -0.38,-138.98)  209.75                80
 06/30/2019   06:23:43   (   0.02,-137.12) (   0.72,-133.98)  357.67                80
 07/01/2019   18:42:36   (  -0.02,-137.11) (   0.29,-138.55)  163.46                80
 07/02/2019   18:24:36   (  -0.02,-137.09) (  -0.81,-133.55)  403.52                80
 07/04/2019   06:43:37   (   0.03,-137.04) (  -0.20,-138.15)  125.24                80
 07/05/2019   06:20:17   (   0.03,-137.02) (   0.91,-133.15)  441.00                80
 07/06/2019   18:39:09   (  -0.04,-136.99) (   0.10,-137.72)   81.90                80