Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 12 25.  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)
 12/26/2024   22:35:30   (  -0.01,-137.01) (  -0.16,-137.76)   85.20                80
 12/27/2024   22:19:23   (  -0.01,-137.00) (   0.85,-133.22)  431.26                80
 12/29/2024   10:41:09   (   0.02,-136.98) (   0.35,-138.48)  170.59                80
 12/30/2024   10:19:42   (   0.02,-136.97) (  -0.66,-133.94)  345.26                80
 12/31/2024   22:41:35   (  -0.02,-136.96) (  -0.51,-139.24)  259.62                80
 01/01/2025   22:25:29   (  -0.02,-136.94) (   0.51,-134.70)  255.87                80
 01/03/2025   10:47:14   (   0.01,-136.91) (   0.67,-139.96)  347.06                80
 01/04/2025   10:25:47   (   0.01,-136.90) (  -0.29,-135.42)  168.15                80
 01/05/2025   22:50:20   (  -0.01,-136.87) (  -0.86,-140.72)  437.50                80
 01/06/2025   22:28:54   (  -0.01,-136.85) (   0.17,-136.18)   77.58                80