Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21 TLE Epoch: 2025 3 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) 03/14/2025 10:31:18 ( -0.00,-137.00) ( -0.05,-136.86) 16.03 80 03/16/2025 22:37:10 ( 0.01,-137.00) ( -0.11,-137.64) 72.57 80 03/17/2025 22:15:45 ( 0.01,-136.99) ( 0.87,-133.10) 443.36 80 03/19/2025 10:40:11 ( -0.01,-136.98) ( 0.32,-138.36) 158.63 80 03/20/2025 10:18:46 ( -0.02,-136.97) ( -0.73,-133.84) 356.76 80 03/21/2025 22:40:43 ( 0.01,-136.95) ( -0.45,-139.14) 249.30 80 03/22/2025 22:24:37 ( 0.01,-136.94) ( 0.54,-134.61) 265.80 80 03/24/2025 10:46:24 ( 0.00,-136.91) ( 0.65,-139.87) 337.36 80 03/25/2025 10:24:58 ( 0.00,-136.89) ( -0.35,-135.33) 177.29 80 03/26/2025 22:46:53 ( -0.00,-136.86) ( -0.86,-140.63) 429.80 80