Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 10 8.  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)
 10/10/2025   22:34:17   (   0.00,-137.00) (  -0.15,-137.60)   68.33                80
 10/11/2025   22:18:11   (   0.00,-137.00) (   0.89,-133.07)  448.00                80
 10/13/2025   10:39:57   (  -0.00,-136.97) (   0.31,-138.32)  154.04                80
 10/14/2025   10:18:31   (  -0.01,-136.96) (  -0.74,-133.79)  361.88                80
 10/15/2025   22:40:25   (   0.01,-136.96) (  -0.45,-139.09)  241.92                80
 10/16/2025   22:24:19   (   0.01,-136.95) (   0.53,-134.54)  274.17                80
 10/18/2025   10:46:04   (  -0.00,-136.93) (   0.65,-139.80)  327.65                80
 10/19/2025   10:24:39   (  -0.00,-136.92) (  -0.40,-135.27)  188.33                80
 10/20/2025   22:46:32   (  -0.01,-136.91) (  -0.85,-140.55)  415.86                80
 10/21/2025   22:27:47   (  -0.02,-136.89) (   0.20,-136.02)   99.88                80