Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 12 14.  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)
 12/15/2024   22:42:00   (  -0.02,-136.99) (  -0.53,-139.31)  263.87                80
 12/16/2024   22:25:54   (  -0.02,-136.98) (   0.45,-134.76)  252.12                80
 12/18/2024   10:47:40   (   0.01,-136.97) (   0.72,-140.03)  349.83                80
 12/19/2024   10:26:14   (   0.00,-136.96) (  -0.32,-135.50)  165.65                80
 12/20/2024   22:48:09   (   0.00,-136.94) (  -0.85,-140.81)  439.80                80
 12/21/2024   22:32:02   (   0.01,-136.93) (   0.14,-136.26)   75.88                80
 12/24/2024   10:35:02   (  -0.01,-136.90) (   0.03,-136.99)   10.97                80
 12/26/2024   22:35:30   (   0.00,-136.86) (  -0.18,-137.76)  101.74                80
 12/27/2024   22:19:23   (  -0.00,-136.84) (   0.82,-133.22)  413.19                80