Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 11 15.  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)
 11/16/2025   22:40:16   (   0.00,-137.03) (  -0.46,-139.00)  225.60                80
 11/17/2025   22:24:13   (  -0.00,-137.03) (   0.56,-134.48)  290.04                80
 11/19/2025   10:46:04   (   0.00,-137.02) (   0.61,-139.76)  312.63                80
 11/20/2025   10:24:41   (   0.01,-137.01) (  -0.41,-135.24)  202.54                80
 11/21/2025   22:46:41   (  -0.02,-137.01) (  -0.82,-140.55)  403.50                80
 11/22/2025   22:30:38   (  -0.02,-137.00) (   0.21,-136.02)  111.28                80
 11/24/2025   10:52:27   (   0.03,-136.97) (   1.01,-141.29)  492.62                80
 11/25/2025   10:31:05   (   0.03,-136.96) (  -0.02,-136.77)   21.63                80
 11/27/2025   22:34:22   (  -0.03,-136.93) (  -0.14,-137.56)   71.58                80
 11/28/2025   22:18:18   (  -0.03,-136.91) (   0.84,-133.03)  442.50                80