Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 12 22.  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)
 12/24/2024   10:32:22   (  -0.00,-136.97) (   0.01,-136.99)    2.92                80
 12/26/2024   22:35:30   (  -0.01,-136.95) (  -0.16,-137.76)   91.44                80
 12/27/2024   22:19:23   (  -0.01,-136.93) (   0.84,-133.22)  423.79                80
 12/29/2024   10:41:09   (   0.01,-136.89) (   0.36,-138.48)  180.84                80
 12/30/2024   10:19:42   (   0.00,-136.87) (  -0.65,-133.94)  333.70                80
 12/31/2024   22:41:36   (  -0.00,-136.84) (  -0.53,-139.24)  272.44                80
 01/01/2025   22:25:29   (  -0.00,-136.82) (   0.48,-134.70)  241.87                80
 01/03/2025   10:47:14   (   0.01,-136.77) (   0.71,-139.96)  363.65                80
 01/04/2025   10:25:48   (   0.01,-136.74) (  -0.30,-135.42)  150.41                80