Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 8 18.  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)
 08/18/2021   06:39:03   (   0.01,-137.19) (  -0.00,-137.31)   13.65                80
 08/20/2021   18:39:54   (  -0.02,-137.17) (  -0.09,-136.87)   34.23                80
 08/22/2021   06:58:53   (   0.03,-137.15) (  -0.93,-141.47)  491.61                80
 08/23/2021   06:35:33   (   0.03,-137.14) (   0.15,-136.47)   76.71                80
 08/24/2021   18:54:24   (  -0.03,-137.14) (   0.83,-141.03)  443.90                80
 08/25/2021   18:36:24   (  -0.03,-137.13) (  -0.26,-136.03)  124.34                80
 08/27/2021   06:55:23   (   0.03,-137.10) (  -0.77,-140.63)  401.76                80
 08/28/2021   06:32:04   (   0.02,-137.09) (   0.37,-135.64)  166.05                80
 08/29/2021   18:50:54   (  -0.02,-137.07) (   0.65,-140.20)  355.55                80
 08/30/2021   18:32:53   (  -0.02,-137.05) (  -0.44,-135.20)  211.89                80