Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 4 12.  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)
 04/12/2021   18:27:39   (   0.04,-137.19) (  -0.62,-134.36)  323.13                80
 04/14/2021   06:49:18   (  -0.04,-137.16) (  -0.45,-138.95)  203.48                80
 04/15/2021   06:25:59   (  -0.04,-137.15) (   0.65,-133.95)  364.14                80
 04/16/2021   18:44:51   (   0.04,-137.14) (   0.35,-138.52)  157.22                80
 04/17/2021   18:26:52   (   0.03,-137.12) (  -0.76,-133.52)  409.88                80
 04/19/2021   06:43:12   (  -0.03,-137.08) (  -0.26,-138.12)  118.42                80
 04/20/2021   06:25:13   (  -0.03,-137.06) (   0.84,-133.13)  448.20                80
 04/21/2021   18:41:24   (   0.03,-137.04) (   0.20,-137.68)   74.50                80
 04/22/2021   18:23:25   (   0.02,-137.01) (  -0.91,-132.69)  491.93                80
 04/24/2021   06:39:45   (  -0.02,-136.96) (  -0.12,-137.28)   37.53                80