Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and METOP-C TLE Epoch: 2025 10 18. Predictions up to the next 14.0 days: Date Time(NOAA-21) NOAA-21 Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon Distance(km) Time Diff(sec) 11/01/2025 02:25:44 ( 73.34, 134.15) 11/01/2025 02:26:51 ( 73.33, 136.70) 81.54 67