Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 9 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2024   10:46:08   (   0.00,-137.00) (   0.62,-139.71)  309.19                80
 09/14/2024   10:24:46   (   0.00,-137.00) (  -0.37,-135.18)  206.10                80
 09/15/2024   22:46:46   (  -0.00,-136.99) (  -0.77,-140.50)  400.03                80
 09/16/2024   22:28:03   (  -0.00,-136.98) (   0.24,-135.98)  115.20                80
 09/18/2024   10:52:34   (   0.00,-136.98) (   0.98,-141.25)  487.12                80
 09/19/2024   10:31:11   (   0.00,-136.97) (  -0.05,-136.73)   27.88                80
 09/21/2024   22:34:27   (  -0.00,-136.94) (  -0.10,-137.51)   64.23                80
 09/22/2024   22:18:24   (  -0.00,-136.93) (   0.90,-132.98)  450.35                80
 09/24/2024   10:37:33   (   0.00,-136.90) (   0.31,-138.25)  153.16                80
 09/25/2024   10:21:29   (  -0.00,-136.89) (  -0.71,-133.72)  361.12                80
 09/26/2024   22:40:47   (   0.00,-136.86) (  -0.49,-139.02)  246.52                80