Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 10 23.  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)
 10/24/2025   10:30:46   (  -0.01,-136.99) (  -0.08,-136.74)   29.47                80
 10/26/2025   22:36:33   (   0.00,-136.98) (  -0.10,-137.49)   57.98                80
 10/27/2025   22:15:07   (   0.01,-136.97) (   0.91,-132.95)  458.12                80
 10/29/2025   10:39:31   (  -0.00,-136.95) (   0.29,-138.20)  143.28                80
 10/30/2025   10:18:05   (  -0.01,-136.94) (  -0.72,-133.66)  372.47                80
 10/31/2025   22:42:39   (   0.00,-136.92) (  -0.45,-138.96)  232.42                80
 11/01/2025   22:21:13   (   0.01,-136.90) (   0.56,-134.42)  283.20                80
 11/03/2025   10:45:37   (   0.00,-136.87) (   0.62,-139.67)  318.75                80
 11/04/2025   10:24:10   (   0.00,-136.85) (  -0.40,-135.13)  196.43                80
 11/05/2025   22:48:44   (  -0.02,-136.82) (  -0.82,-140.42)  409.78                80