Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2023 11 5.  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)
 11/06/2023   22:32:34   (  -0.00,-136.99) (  -0.12,-137.63)   72.84                80
 11/07/2023   22:16:30   (  -0.00,-136.98) (   0.88,-133.10)  442.30                80
 11/09/2023   10:38:20   (   0.00,-136.97) (   0.32,-138.37)  160.43                80
 11/10/2023   10:16:56   (   0.00,-136.96) (  -0.69,-133.85)  354.32                80
 11/11/2023   22:38:54   (  -0.00,-136.94) (  -0.50,-139.16)  253.20                80
 11/12/2023   22:22:51   (  -0.00,-136.92) (   0.51,-134.63)  261.11                80
 11/14/2023   10:44:40   (   0.00,-136.90) (   0.68,-139.91)  343.03                80
 11/15/2023   10:23:17   (  -0.00,-136.88) (  -0.34,-135.38)  170.47                80
 11/16/2023   22:45:15   (   0.01,-136.84) (  -0.83,-140.70)  439.17                80
 11/17/2023   22:29:11   (   0.02,-136.81) (   0.13,-136.16)   73.89                80