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: 10/13/2025
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 10/14/2025 10:44:49 -81.27, 135.37 86.14 10/14/2025 10:46:00 -81.26, 135.39 86.19 1.24 71
2 10/14/2025 11:35:34 81.27, -57.12 93.85 10/14/2025 11:35:17 81.26, -56.96 93.83 2.84 17
3 10/16/2025 20:15:40 -81.27, -6.87 85.35 10/16/2025 20:16:19 -81.27, -6.98 85.35 1.92 39
4 10/16/2025 21:06:25 81.26, 160.62 94.65 10/16/2025 21:05:36 81.27, 160.63 94.67 0.30 49
5 10/19/2025 05:46:32 -81.27,-149.54 84.50 10/19/2025 05:46:37 -81.27,-149.40 84.52 2.58 5
6 10/21/2025 14:26:40 81.27, -99.78 96.35 10/21/2025 14:27:36 81.27, -99.58 96.30 3.26 56
7 10/21/2025 15:17:24 -81.27, 67.73 83.67 10/21/2025 15:16:55 -81.26, 67.76 83.66 1.05 29
8 10/23/2025 23:57:31 81.26, 117.81 97.13 10/23/2025 23:57:52 81.27, 117.90 97.11 1.69 21
9 10/24/2025 00:48:15 -81.26, -74.65 82.89 10/24/2025 00:47:11 -81.26, -74.75 82.85 1.70 64
10 10/26/2025 08:37:38 -81.27, 167.59 82.05 10/26/2025 08:38:51 -81.26, 167.45 82.08 2.62 73

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 10/13/2025
SNOs_Map_NOAA-21_AQUA_20251014.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 10/13/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA