Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and AQUA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/23/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Distance(km) Time Diff (sec)
1 09/25/2025 07:29:34 79.46, 59.16 80.45 09/25/2025 07:29:28 79.45, 59.26 80.45 2.03 6
2 09/27/2025 16:09:34 -79.59, 108.00 98.48 09/27/2025 16:10:45 -79.59, 108.00 98.48 0.14 71
3 09/27/2025 17:00:12 79.38, -82.75 81.29 09/27/2025 16:59:57 79.38, -82.75 81.29 0.13 15
4 09/30/2025 01:40:12 -79.52, -33.91 97.64 09/30/2025 01:41:13 -79.52, -34.04 97.64 2.71 61
5 09/30/2025 02:30:50 79.30, 135.29 82.13 09/30/2025 02:30:25 79.31, 135.16 82.14 2.72 25
6 10/02/2025 11:10:53 -79.54,-176.71 96.69 10/02/2025 11:11:42 -79.54,-176.71 96.70 0.17 49
7 10/02/2025 12:01:31 79.33, -7.54 83.09 10/02/2025 12:00:54 79.33, -7.53 83.09 0.21 37
8 10/04/2025 20:41:33 -79.54, 40.71 95.77 10/04/2025 20:42:09 -79.53, 40.81 95.79 2.17 36
9 10/04/2025 21:32:11 79.33,-150.14 84.01 10/04/2025 21:31:21 79.32,-150.04 84.00 2.21 50
10 10/07/2025 06:12:09 -79.42,-100.80 95.00 10/07/2025 06:12:32 -79.42,-100.95 94.99 3.04 23

Figure of FY3D and AQUA satellite orbits during SNOs since TLE Epoch: 9/23/2025
SNOs_Map_FY3D_AQUA_20250924.jpg

Download SNOs between FY3D and AQUA since TLE EPOCH: 09/23/2025 in txt file.

Historial Predications of SNOs between FY3D and AQUA