Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and AQUA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/27/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Distance(km) Time Diff (sec)
1 06/28/2025 20:29:01 81.31, 167.14 63.54 06/28/2025 20:28:52 81.30, 167.16 63.54 0.57 9
2 07/01/2025 05:59:57 81.30, 24.68 63.66 07/01/2025 05:59:50 81.30, 24.53 63.68 2.50 7
3 07/03/2025 15:30:54 81.30,-118.20 63.88 07/03/2025 15:30:48 81.30,-118.26 63.89 1.21 6
4 07/06/2025 01:01:50 81.30, 99.30 64.08 07/06/2025 01:01:45 81.30, 99.19 64.10 1.85 5
5 07/08/2025 10:32:47 81.30, -43.62 64.38 07/08/2025 10:32:42 81.30, -43.53 64.37 1.64 5

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 6/27/2025
SNOs_Map_NOAA-21_AQUA_20250627.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 06/27/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA