Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and AQUA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/4/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Distance(km) Time Diff (sec)
1 07/04/2025 20:15:11 -81.29, -9.62 115.97 07/04/2025 20:16:17 -81.29, -9.78 115.99 2.71 66
2 07/04/2025 21:05:56 81.29, 157.84 64.02 07/04/2025 21:05:35 81.28, 157.68 64.05 2.88 21
3 07/07/2025 05:46:12 -81.29,-152.45 115.70 07/07/2025 05:47:14 -81.29,-152.48 115.74 0.72 62
4 07/07/2025 06:36:56 81.29, 15.39 64.23 07/07/2025 06:36:31 81.29, 15.34 64.25 1.21 25
5 07/09/2025 15:17:12 -81.29, 65.09 115.46 07/09/2025 15:18:10 -81.30, 65.02 115.48 1.41 58
6 07/09/2025 16:07:57 81.29,-127.48 64.53 07/09/2025 16:07:28 81.28,-127.56 64.56 1.48 29
7 07/12/2025 00:48:13 -81.29, -77.79 115.11 07/12/2025 00:49:06 -81.30, -77.66 115.16 2.33 53
8 07/12/2025 01:38:58 81.29, 89.63 64.88 07/12/2025 01:38:24 81.28, 89.74 64.88 2.12 34
9 07/14/2025 10:19:14 -81.29, 139.30 114.73 07/14/2025 10:20:02 -81.29, 139.49 114.79 3.15 48
10 07/14/2025 11:09:58 81.29, -52.91 65.21 07/14/2025 11:09:19 81.29, -52.74 65.21 2.84 39
11 07/16/2025 19:50:14 -81.29, -3.24 114.37 07/16/2025 19:50:57 -81.29, -3.16 114.41 1.33 43

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 7/4/2025
SNOs_Map_NOAA-20_AQUA_20250704.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 07/04/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA