Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21 TLE Epoch: 2025 7 9. 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) 07/10/2025 10:19:04 ( -0.02,-137.00) ( -0.69,-133.94) 348.11 80 07/11/2025 22:41:02 ( 0.03,-137.00) ( -0.46,-139.26) 257.37 80 07/12/2025 22:24:58 ( 0.03,-137.00) ( 0.55,-134.73) 258.47 80 07/14/2025 10:44:05 ( -0.04,-136.99) ( 0.65,-140.00) 343.09 80 07/15/2025 10:28:00 ( -0.03,-136.98) ( -0.35,-135.46) 172.50 80 07/16/2025 22:47:19 ( 0.04,-136.97) ( -0.79,-140.78) 433.86 80 07/17/2025 22:31:14 ( 0.04,-136.96) ( 0.22,-136.25) 81.34 80 07/20/2025 10:31:37 ( -0.05,-136.92) ( -0.02,-136.98) 7.28 80 07/22/2025 22:34:50 ( 0.06,-136.88) ( -0.15,-137.76) 101.34 80