Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 11 21.  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)
 11/21/2025   22:46:41   (  -0.00,-137.01) (  -0.77,-140.56)  403.19                80
 11/22/2025   22:30:38   (  -0.01,-137.02) (   0.20,-136.02)  112.89                80
 11/24/2025   10:52:28   (   0.01,-137.01) (   0.97,-141.30)  488.62                80
 11/25/2025   10:31:06   (   0.01,-137.01) (  -0.05,-136.78)   27.03                80
 11/27/2025   22:34:23   (  -0.02,-137.01) (  -0.14,-137.57)   63.24                80
 11/28/2025   22:18:20   (  -0.02,-137.01) (   0.89,-133.04)  452.06                80
 11/30/2025   10:40:09   (   0.02,-136.99) (   0.33,-138.31)  150.63                80
 12/01/2025   10:18:47   (   0.02,-136.98) (  -0.70,-133.79)  364.22                80
 12/02/2025   22:40:46   (  -0.03,-136.97) (  -0.50,-139.10)  242.81                80
 12/03/2025   22:24:43   (  -0.03,-136.96) (   0.48,-134.57)  271.50                80
 12/05/2025   10:46:33   (   0.04,-136.93) (   0.70,-139.85)  332.89                80