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: 11/23/2025
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 11/23/2025 20:53:49 81.25, 164.02 105.85 11/23/2025 20:55:02 81.24, 164.04 105.80 1.37 73
2 11/23/2025 21:44:33 -81.24, -28.17 74.22 11/23/2025 21:44:19 -81.25, -28.13 74.21 0.75 14
3 11/26/2025 06:24:48 81.24, 21.76 106.27 11/26/2025 06:25:00 81.25, 21.80 106.26 0.89 12
4 11/26/2025 07:15:20 -81.12,-165.82 74.43 11/26/2025 07:14:07 -81.41,-166.46 74.14 34.28 73
5 11/28/2025 15:05:04 -81.25, 71.54 73.27 11/28/2025 15:05:41 -81.25, 71.64 73.30 1.78 37
6 11/28/2025 15:55:48 81.24,-120.94 106.71 11/28/2025 15:54:58 81.24,-120.75 106.71 3.29 50
7 11/30/2025 23:45:17 81.24, 121.68 107.12 11/30/2025 23:46:19 81.25, 121.73 107.08 1.43 62
8 12/01/2025 00:36:02 -81.24, -70.78 72.91 12/01/2025 00:35:37 -81.24, -70.81 72.89 0.81 25
9 12/03/2025 09:16:17 81.24, -21.10 107.50 12/03/2025 09:16:16 81.24, -21.04 107.49 1.25 1
10 12/05/2025 17:56:32 -81.24, 29.05 72.20 12/05/2025 17:56:54 -81.25, 29.09 72.21 0.97 22

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 11/23/2025
SNOs_Map_NOAA-21_AQUA_20251123.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 11/23/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA