Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 10 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)
 10/05/2025   22:30:48   (   0.01,-137.04) (   0.19,-136.12)  103.94                80
 10/07/2025   10:52:35   (  -0.01,-137.03) (   0.97,-141.38)  496.70                80
 10/08/2025   10:31:09   (  -0.01,-137.03) (  -0.07,-136.85)   20.34                80
 10/10/2025   22:34:17   (   0.02,-137.03) (  -0.14,-137.60)   66.44                80
 10/11/2025   22:18:12   (   0.02,-137.02) (   0.91,-133.07)  449.67                80
 10/13/2025   10:39:57   (  -0.03,-136.99) (   0.29,-138.33)  152.91                80
 10/14/2025   10:18:31   (  -0.03,-136.98) (  -0.76,-133.80)  362.91                80
 10/15/2025   22:40:26   (   0.04,-136.97) (  -0.42,-139.09)  241.24                80
 10/16/2025   22:24:19   (   0.04,-136.96) (   0.57,-134.55)  274.74                80
 10/18/2025   10:46:04   (  -0.04,-136.94) (   0.61,-139.81)  327.51                80
 10/19/2025   10:24:38   (  -0.04,-136.92) (  -0.39,-135.27)  188.29                80