Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 9 5.  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)
 09/06/2025   10:34:15   (  -0.03,-136.97) (  -0.05,-136.97)    2.16                80
 09/08/2025   22:34:44   (   0.03,-136.99) (  -0.13,-137.74)   84.47                80
 09/09/2025   22:18:39   (   0.03,-137.00) (   0.86,-133.20)  432.57                80
 09/11/2025   10:40:26   (  -0.03,-136.99) (   0.33,-138.46)  168.11                80
 09/12/2025   10:19:02   (  -0.03,-136.99) (  -0.73,-133.94)  348.25                80
 09/13/2025   22:40:56   (   0.03,-136.99) (  -0.48,-139.23)  256.20                80
 09/14/2025   22:24:52   (   0.04,-136.98) (   0.58,-134.71)  259.68                80
 09/16/2025   10:46:39   (  -0.04,-136.96) (   0.61,-139.97)  342.40                80
 09/17/2025   10:25:13   (  -0.04,-136.95) (  -0.40,-135.44)  173.29                80
 09/18/2025   22:47:08   (   0.04,-136.94) (  -0.81,-140.73)  431.66                80