Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 11 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)
 11/15/2025   10:18:16   (  -0.00,-137.02) (  -0.74,-133.69)  379.50                80
 11/16/2025   22:40:16   (   0.00,-137.04) (  -0.44,-139.01)  224.62                80
 11/17/2025   22:24:14   (  -0.00,-137.04) (   0.57,-134.49)  291.38                80
 11/19/2025   10:46:04   (   0.00,-137.03) (   0.60,-139.76)  310.69                80
 11/20/2025   10:24:42   (   0.01,-137.03) (  -0.42,-135.24)  204.86                80
 11/21/2025   22:46:41   (  -0.02,-137.03) (  -0.80,-140.55)  400.64                80
 11/22/2025   22:30:38   (  -0.02,-137.03) (   0.23,-136.03)  114.55                80
 11/24/2025   10:52:28   (   0.03,-137.01) (   0.99,-141.30)  488.74                80
 11/25/2025   10:31:05   (   0.03,-137.00) (  -0.04,-136.78)   25.93                80
 11/27/2025   22:34:21   (  -0.03,-136.98) (  -0.18,-137.55)   66.38                80