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: 7/9/2025
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 07/10/2025 13:25:50 79.62, -33.33 57.71 07/10/2025 13:26:50 79.62, -33.34 57.70 0.38 60
2 07/10/2025 14:16:28 -79.41, 135.88 122.58 07/10/2025 14:16:02 -79.41, 135.90 122.57 0.43 26
3 07/12/2025 22:56:38 79.79,-177.69 58.29 07/12/2025 22:57:51 79.81,-177.48 58.28 4.31 73
4 07/12/2025 23:47:10 -79.41, -6.74 122.25 07/12/2025 23:46:58 -79.42, -6.83 122.23 2.10 12
5 07/15/2025 09:17:52 -79.44,-149.64 121.83 07/15/2025 09:17:53 -79.44,-149.67 121.83 0.59 1
6 07/17/2025 18:48:35 -79.48, 67.43 121.39 07/17/2025 18:48:49 -79.48, 67.37 121.38 1.33 14
7 07/17/2025 19:39:13 79.26,-123.42 58.34 07/17/2025 19:38:01 79.26,-123.39 58.35 0.78 72
8 07/20/2025 04:19:19 -79.55, -75.79 120.86 07/20/2025 04:19:45 -79.54, -75.71 120.88 1.92 26
9 07/20/2025 05:09:54 79.24, 94.19 58.74 07/20/2025 05:08:55 79.24, 94.06 58.76 2.82 59
10 07/22/2025 13:50:02 -79.58, 141.24 120.34 07/22/2025 13:50:40 -79.57, 141.37 120.36 2.79 38

Figure of FY3D and AQUA satellite orbits during SNOs since TLE Epoch: 7/9/2025
SNOs_Map_FY3D_AQUA_20250709.jpg

Download SNOs between FY3D and AQUA since TLE EPOCH: 07/09/2025 in txt file.

Historial Predications of SNOs between FY3D and AQUA