Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 6 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 06/14/2021   05:15:55   (  -0.04,-137.19) (  -0.11,-137.41)   25.07                80
 06/16/2021   17:16:47   (   0.04,-137.18) (   0.01,-137.04)   16.06                80
 06/19/2021   05:15:07   (  -0.04,-137.16) (   0.05,-136.70)   52.33                80
 06/20/2021   17:31:19   (   0.03,-137.14) (   0.92,-141.31)  473.96                80
 06/21/2021   17:13:18   (   0.03,-137.13) (  -0.15,-136.32)   91.43                80
 06/23/2021   05:29:39   (  -0.03,-137.10) (  -0.85,-140.97)  439.78                80
 06/24/2021   05:11:38   (  -0.02,-137.08) (   0.22,-135.98)  124.95                80
 06/25/2021   17:27:49   (   0.02,-137.05) (   0.81,-140.58)  403.08                80
 06/26/2021   17:09:50   (   0.01,-137.02) (  -0.31,-135.61)  161.36                80