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: 7/10/2025
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 20:03:42 81.30, 173.92 64.64 07/10/2025 20:03:36 81.31, 174.07 64.63 2.74 6
2 07/13/2025 05:34:38 81.30, 31.35 64.96 07/13/2025 05:34:32 81.31, 31.30 64.98 1.20 6
3 07/15/2025 15:05:35 81.30,-111.64 65.37 07/15/2025 15:05:28 81.30,-111.62 65.37 0.68 7
4 07/18/2025 00:36:31 81.30, 105.76 65.76 07/18/2025 00:36:23 81.30, 105.70 65.77 1.14 8
5 07/20/2025 10:07:27 81.30, -36.86 66.18 07/20/2025 10:07:17 81.31, -36.74 66.17 2.13 10
6 07/22/2025 18:47:51 -81.32, 8.37 112.68 07/22/2025 18:49:05 -81.09, 8.72 112.84 25.67 74

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 7/10/2025
SNOs_Map_NOAA-21_AQUA_20250710.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 07/10/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA