Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 13.  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)
 05/13/2025   22:46:37   (   0.02,-137.00) (  -0.77,-140.60)  410.00                80
 05/14/2025   22:30:33   (   0.02,-137.00) (   0.24,-136.08)  106.00                80
 05/16/2025   10:49:43   (  -0.01,-136.99) (   0.97,-141.35)  496.26                80
 05/17/2025   10:33:39   (  -0.01,-136.99) (  -0.05,-136.82)   19.27                80
 05/19/2025   22:34:13   (  -0.00,-136.98) (  -0.12,-137.61)   71.19                80
 05/20/2025   22:18:09   (  -0.01,-136.97) (   0.84,-133.07)  444.03                80
 05/22/2025   10:37:19   (   0.00,-136.95) (   0.30,-138.35)  159.49                80
 05/23/2025   10:21:14   (   0.00,-136.94) (  -0.67,-133.82)  355.24                80
 05/24/2025   22:40:33   (   0.01,-136.92) (  -0.46,-139.14)  252.12                80
 05/25/2025   22:24:28   (   0.01,-136.90) (   0.51,-134.60)  262.03                80
 05/27/2025   10:43:38   (  -0.02,-136.87) (   0.69,-139.87)  343.12                80