Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19 TLE Epoch: 2023 3 26. Predictions up to the next 14.0 days: Date Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon Distance(km) Time Diff(sec) 04/09/2023 02:44:52 ( -75.21, -55.41) 04/09/2023 02:43:41 ( -75.18, -57.04) 46.40 71