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: 12/2/2025
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 12/03/2025 09:16:17 81.24, -21.04 107.49 12/03/2025 09:16:14 81.24, -20.93 107.48 2.02 3
2 12/05/2025 17:56:32 -81.24, 29.03 72.20 12/05/2025 17:56:51 -81.25, 29.19 72.22 2.96 19
3 12/05/2025 18:47:16 81.24,-163.49 107.79 12/05/2025 18:46:09 81.23,-163.55 107.83 1.20 67
4 12/08/2025 02:36:46 81.24, 79.01 108.10 12/08/2025 02:37:28 81.24, 78.83 108.10 2.93 42
5 12/08/2025 03:27:31 -81.23,-113.42 71.94 12/08/2025 03:26:45 -81.24,-113.39 71.91 1.08 46
6 12/10/2025 11:17:02 -81.24, 128.68 71.61 12/10/2025 11:18:04 -81.23, 128.67 71.65 1.13 62
7 12/10/2025 12:07:46 81.24, -63.90 108.38 12/10/2025 12:07:21 81.23, -63.72 108.37 3.31 25
8 12/12/2025 20:48:01 -81.24, -13.86 71.42 12/12/2025 20:47:56 -81.23, -13.84 71.43 1.37 5
9 12/15/2025 05:28:14 81.24, 36.31 108.73 12/15/2025 05:28:29 81.24, 36.26 108.72 0.94 15

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 12/2/2025
SNOs_Map_NOAA-21_AQUA_20251202.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 12/02/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA