Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 6 14.  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)
 06/14/2025   22:47:04   (   0.01,-137.00) (  -0.82,-140.71)  423.05                80
 06/15/2025   22:30:59   (   0.01,-137.00) (   0.17,-136.18)   92.95                80
 06/18/2025   10:34:04   (   0.00,-136.98) (  -0.03,-136.93)    6.96                80
 06/20/2025   22:34:37   (   0.00,-136.96) (  -0.18,-137.70)   84.24                80
 06/21/2025   22:18:33   (   0.00,-136.95) (   0.87,-133.18)  430.60                80
 06/23/2025   10:37:41   (  -0.01,-136.92) (   0.35,-138.44)  173.50                80
 06/24/2025   10:21:37   (  -0.01,-136.91) (  -0.70,-133.92)  340.82                80
 06/25/2025   22:40:54   (   0.01,-136.88) (  -0.50,-139.23)  266.90                80
 06/26/2025   22:24:50   (   0.01,-136.86) (   0.50,-134.69)  247.31                80
 06/28/2025   10:43:57   (  -0.01,-136.83) (   0.72,-139.96)  357.23                80