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: 7/8/2025
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 07/10/2025 20:03:43 81.30, 173.80 64.66 07/10/2025 20:03:37 81.31, 173.95 64.65 2.55 6
2 07/13/2025 05:34:38 81.30, 31.22 64.98 07/13/2025 05:34:32 81.30, 31.16 64.99 1.07 6
3 07/15/2025 15:05:34 81.30,-111.38 65.34 07/15/2025 15:05:27 81.31,-111.41 65.35 0.88 7
4 07/18/2025 00:36:30 81.30, 106.01 65.73 07/18/2025 00:36:22 81.30, 105.85 65.75 2.60 8
5 07/20/2025 10:07:27 81.30, -37.02 66.21 07/20/2025 10:07:17 81.29, -37.05 66.21 1.15 10
6 07/22/2025 18:47:43 -81.31, 11.33 113.10 07/22/2025 18:48:57 -81.23, 11.35 113.18 8.98 74

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 7/8/2025
SNOs_Map_NOAA-21_AQUA_20250709.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 07/08/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA