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: 11/29/2025
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 11/30/2025 23:45:18 81.25, 121.45 107.15 11/30/2025 23:46:19 81.24, 121.47 107.11 0.66 61
2 12/01/2025 00:36:02 -81.24, -70.67 72.93 12/01/2025 00:35:36 -81.25, -70.75 72.90 1.72 26
3 12/03/2025 09:16:17 81.24, -20.94 107.48 12/03/2025 09:16:15 81.23, -21.09 107.49 2.62 2
4 12/05/2025 17:56:33 -81.24, 28.79 72.16 12/05/2025 17:56:53 -81.23, 28.80 72.18 1.28 20
5 12/05/2025 18:47:17 81.24,-163.76 107.83 12/05/2025 18:46:10 81.23,-163.58 107.83 3.26 67
6 12/08/2025 02:36:46 81.24, 79.14 108.08 12/08/2025 02:37:29 81.24, 78.96 108.08 3.14 43
7 12/08/2025 03:27:32 -81.24,-113.65 71.91 12/08/2025 03:26:47 -81.23,-113.61 71.89 0.96 45
8 12/10/2025 11:17:02 -81.24, 128.85 71.64 12/10/2025 11:18:05 -81.25, 129.02 71.69 2.99 63
9 12/10/2025 12:07:46 81.24, -63.75 108.36 12/10/2025 12:07:23 81.23, -63.78 108.37 1.37 23

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 11/29/2025
SNOs_Map_NOAA-21_AQUA_20251129.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 11/29/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA