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: 11/28/2025
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 11/28/2025 15:05:03 -81.24, 71.83 73.31 11/28/2025 15:05:40 -81.25, 71.68 73.31 2.70 37
2 11/28/2025 15:55:47 81.24,-120.60 106.67 11/28/2025 15:54:57 81.25,-120.67 106.71 1.46 50
3 11/30/2025 23:45:18 81.24, 121.62 107.13 11/30/2025 23:46:19 81.25, 121.63 107.09 0.60 61
4 12/01/2025 00:36:03 -81.24, -70.88 72.90 12/01/2025 00:35:37 -81.24, -70.95 72.88 1.35 26
5 12/03/2025 09:16:16 81.24, -20.79 107.46 12/03/2025 09:16:14 81.24, -20.96 107.48 2.95 2
6 12/05/2025 17:56:32 -81.24, 28.92 72.18 12/05/2025 17:56:52 -81.24, 28.88 72.19 0.94 20
7 12/05/2025 18:47:16 81.24,-163.63 107.81 12/05/2025 18:46:09 81.23,-163.52 107.83 2.11 67
8 12/08/2025 02:36:46 81.24, 78.85 108.12 12/08/2025 02:37:28 81.24, 78.95 108.09 1.74 42
9 12/08/2025 03:27:31 -81.24,-113.55 71.92 12/08/2025 03:26:46 -81.23,-113.62 71.89 1.28 45
10 12/10/2025 11:17:01 -81.24, 128.91 71.64 12/10/2025 11:18:04 -81.25, 128.91 71.68 0.60 63

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 11/28/2025
SNOs_Map_NOAA-21_AQUA_20251128.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 11/28/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA