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: 6/24/2025
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 06/26/2025 10:58:04 81.30, -50.02 63.40 06/26/2025 10:57:53 81.31, -49.98 63.40 0.87 11
2 06/28/2025 20:29:01 81.31, 167.15 63.53 06/28/2025 20:28:52 81.30, 167.14 63.54 0.60 9
3 07/01/2025 05:59:58 81.31, 24.30 63.71 07/01/2025 05:59:50 81.30, 24.48 63.69 3.05 8
4 07/03/2025 15:30:54 81.30,-118.17 63.87 07/03/2025 15:30:48 81.29,-118.35 63.90 3.22 6

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 6/24/2025
SNOs_Map_NOAA-21_AQUA_20250624.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 06/24/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA