Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/23/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 12/25/2025 17:19:32 77.11, -71.57 100.53 12/25/2025 17:20:38 77.01, -68.59 100.55 75.07 66
2 12/25/2025 18:10:05 -76.66, 97.65 79.86 12/25/2025 18:10:13 -76.65, 97.75 79.86 2.93 8
3 12/25/2025 19:00:48 76.58, -94.72 100.08 12/25/2025 18:59:39 76.59, -94.82 100.07 2.65 69
4 12/28/2025 09:35:59 76.98, 44.94 100.30 12/28/2025 09:37:08 76.88, 46.84 100.28 48.82 69
5 12/28/2025 10:26:35 -76.66,-146.39 79.98 12/28/2025 10:26:40 -76.67,-146.30 79.97 2.59 5
6 12/28/2025 11:17:20 76.62, 21.06 99.99 12/28/2025 11:16:07 76.60, 21.12 99.96 2.89 73
7 12/31/2025 01:52:27 76.87, 161.38 100.03 12/31/2025 01:53:38 76.79, 162.37 99.99 26.81 71
8 12/31/2025 02:43:06 -76.67, -30.50 80.15 12/31/2025 02:43:08 -76.67, -30.41 80.15 2.17 2
9 12/31/2025 03:33:48 76.51, 137.47 99.72 12/31/2025 03:32:35 76.60, 137.00 99.78 15.79 73
10 01/02/2026 18:08:55 76.77, -82.27 99.71 01/02/2026 18:10:07 76.72, -81.98 99.68 9.23 72
11 01/02/2026 18:59:36 -76.66, 85.51 80.39 01/02/2026 18:59:36 -76.65, 85.41 80.41 2.92 0
12 01/02/2026 19:50:16 76.41,-106.20 99.40 01/02/2026 19:49:06 76.43,-107.68 99.36 38.75 70
13 01/05/2026 10:25:24 76.73, 33.84 99.39 01/05/2026 10:26:34 76.73, 33.93 99.40 2.41 70
14 01/05/2026 11:16:05 -76.66,-158.55 80.68 01/05/2026 11:16:02 -76.66,-158.68 80.69 3.22 3

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 12/23/2025
SNOs_Map_FY3D_LANDSAT-8_20251223.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 12/23/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8