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: 11/21/2025
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 11/21/2025 12:13:33 -81.25, 114.29 74.70 11/21/2025 12:14:20 -81.24, 114.12 74.70 3.11 47
2 11/21/2025 13:04:17 81.24, -78.06 105.27 11/21/2025 13:03:37 81.24, -78.24 105.31 3.10 40
3 11/23/2025 20:53:48 81.25, 164.30 105.81 11/23/2025 20:55:01 81.26, 164.38 105.77 1.66 73
4 11/23/2025 21:44:33 -81.25, -28.27 74.20 11/23/2025 21:44:19 -81.25, -28.16 74.21 1.82 14
5 11/26/2025 06:24:48 81.25, 21.67 106.28 11/26/2025 06:25:00 81.25, 21.78 106.26 2.01 12
6 11/26/2025 07:15:22 -81.15,-166.65 74.32 11/26/2025 07:14:08 -81.40,-166.86 74.10 28.46 74
7 11/28/2025 15:05:04 -81.25, 71.48 73.26 11/28/2025 15:05:41 -81.25, 71.65 73.30 2.90 37
8 11/28/2025 15:55:47 81.24,-120.62 106.67 11/28/2025 15:54:58 81.24,-120.75 106.71 2.28 49
9 11/30/2025 23:45:18 81.25, 121.65 107.12 11/30/2025 23:46:20 81.26, 121.73 107.08 1.81 62
10 12/01/2025 00:36:03 -81.24, -70.80 72.91 12/01/2025 00:35:38 -81.25, -70.80 72.89 0.58 25

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 11/21/2025
SNOs_Map_NOAA-21_AQUA_20251121.jpg

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

Historial Predications of SNOs between NOAA-21 and AQUA