Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 4 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 04/11/2021   18:50:58   (   0.04,-137.20) (   0.54,-139.35)  245.03                80
 04/12/2021   18:27:38   (   0.04,-137.19) (  -0.57,-134.35)  323.15                80
 04/14/2021   06:49:19   (  -0.04,-137.16) (  -0.44,-138.95)  203.51                80
 04/15/2021   06:25:59   (  -0.04,-137.15) (   0.66,-133.95)  364.13                80
 04/16/2021   18:44:51   (   0.04,-137.14) (   0.34,-138.52)  157.09                80
 04/17/2021   18:24:12   (   0.03,-137.12) (  -0.77,-133.53)  410.04                80
 04/19/2021   06:43:12   (  -0.03,-137.08) (  -0.25,-138.12)  118.33                80
 04/20/2021   06:25:13   (  -0.03,-137.06) (   0.85,-133.13)  448.32                80
 04/21/2021   18:41:24   (   0.03,-137.04) (   0.19,-137.69)   74.21                80
 04/22/2021   18:23:25   (   0.02,-137.01) (  -0.92,-132.69)  492.21                80
 04/24/2021   06:39:45   (  -0.02,-136.96) (  -0.11,-137.29)   37.25                80