Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21 TLE Epoch: 2025 3 17. Predictions up to the next 14.0 days: Date Time(GOES-17) GOES-17 Lat/Lon NOAA-21 Lat/Lon Distance(km) Time Diff(sec) 03/18/2025 20:17:44 ( 0.03,-104.42) ( 0.40,-102.86) 178.47 80 03/20/2025 08:39:30 ( -0.03,-104.39) ( 0.79,-108.12) 425.52 80 03/21/2025 08:18:05 ( -0.03,-104.38) ( -0.21,-103.59) 90.73 80 03/23/2025 20:23:56 ( 0.02,-104.41) ( 0.05,-104.36) 6.33 80 03/26/2025 08:26:56 ( -0.00,-104.37) ( 0.17,-105.08) 81.17 80 03/27/2025 08:05:30 ( -0.00,-104.37) ( -0.85,-100.55) 435.25 80 03/28/2025 20:27:25 ( 0.00,-104.40) ( -0.34,-105.85) 165.70 80 03/29/2025 20:11:20 ( 0.01,-104.39) ( 0.69,-101.31) 350.92 80 03/31/2025 08:33:06 ( -0.01,-104.36) ( 0.47,-106.58) 252.69 80