Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 6 14.  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)
 06/14/2021   18:26:42   (   0.04,-137.19) (  -0.80,-133.56)  414.92                80
 06/16/2021   06:43:02   (  -0.03,-137.19) (  -0.23,-138.16)  110.04                80
 06/17/2021   06:25:02   (  -0.03,-137.18) (   0.84,-133.15)  458.45                80
 06/18/2021   18:41:13   (   0.03,-137.17) (   0.15,-137.72)   62.61                80
 06/21/2021   06:39:33   (  -0.03,-137.14) (  -0.09,-137.31)   20.58                80
 06/23/2021   18:40:25   (   0.02,-137.10) (  -0.03,-136.89)   24.36                80
 06/26/2021   06:38:44   (  -0.02,-137.05) (   0.11,-136.49)   63.96                80
 06/27/2021   18:54:56   (   0.01,-137.01) (   0.91,-141.05)  459.74                80