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: 10/5/2025
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 10/06/2025 11:34:24 -76.31,-164.35 98.14 10/06/2025 11:34:47 -76.31,-164.46 98.15 2.89 23
2 10/06/2025 12:25:08 76.26, 3.16 81.84 10/06/2025 12:24:13 76.29, 3.14 81.85 3.51 55
3 10/09/2025 03:51:02 -76.34, -48.55 97.08 10/09/2025 03:51:17 -76.31, -48.56 97.11 3.91 15
4 10/09/2025 04:41:46 76.30, 118.94 82.90 10/09/2025 04:40:43 76.29, 119.02 82.88 2.26 63
5 10/11/2025 19:17:04 76.76,-101.59 84.27 10/11/2025 19:18:11 76.68, -99.05 84.33 65.37 67
6 10/11/2025 20:07:39 -76.35, 67.37 96.06 10/11/2025 20:07:46 -76.33, 67.37 96.07 2.01 7
7 10/11/2025 20:58:23 76.30,-125.16 83.93 10/11/2025 20:57:12 76.30,-125.06 83.92 2.75 71
8 10/14/2025 11:33:33 76.47, 15.49 85.04 10/14/2025 11:34:44 76.43, 15.94 85.04 12.86 71
9 10/14/2025 12:24:15 -76.36,-176.75 95.04 10/14/2025 12:24:13 -76.36,-176.64 95.03 2.89 2
10 10/14/2025 13:14:54 76.10, -8.48 84.78 10/14/2025 13:13:43 76.14, -9.71 84.73 33.24 71
11 10/17/2025 03:50:08 76.41, 131.65 85.99 10/17/2025 03:51:12 76.42, 131.81 86.02 4.18 64
12 10/17/2025 04:40:51 -76.34, -60.75 94.06 10/17/2025 04:40:41 -76.35, -60.77 94.05 1.96 10

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/5/2025
SNOs_Map_FY3D_LANDSAT-8_20251005.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 10/05/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8