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: 10/3/2025
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 10/03/2025 19:17:48 -76.34, 79.63 99.16 10/03/2025 19:18:17 -76.31, 79.69 99.18 3.38 29
2 10/03/2025 20:08:32 76.28,-112.84 80.81 10/03/2025 20:07:44 76.25,-112.87 80.77 3.64 48
3 10/06/2025 11:34:24 -76.32,-164.38 98.13 10/06/2025 11:34:46 -76.34,-164.34 98.11 2.54 22
4 10/06/2025 12:25:08 76.27, 3.13 81.84 10/06/2025 12:24:13 76.27, 3.09 81.83 1.30 55
5 10/09/2025 03:51:01 -76.31, -48.44 97.10 10/09/2025 03:51:16 -76.32, -48.51 97.10 2.33 15
6 10/09/2025 04:41:45 76.27, 119.05 82.88 10/09/2025 04:40:42 76.30, 119.06 82.90 3.74 63
7 10/11/2025 19:17:03 76.74,-101.51 84.25 10/11/2025 19:18:11 76.62, -99.28 84.25 58.70 68
8 10/11/2025 20:07:38 -76.32, 67.45 96.07 10/11/2025 20:07:45 -76.31, 67.32 96.09 3.78 7
9 10/11/2025 20:58:22 76.28,-125.08 83.91 10/11/2025 20:57:11 76.28,-125.12 83.89 0.90 71
10 10/14/2025 11:33:32 76.42, 15.70 85.00 10/14/2025 11:34:43 76.41, 15.91 85.02 5.60 71
11 10/14/2025 12:24:15 -76.35,-176.71 95.04 10/14/2025 12:24:12 -76.35,-176.67 95.05 1.09 3
12 10/14/2025 13:14:52 76.00, -8.12 84.70 10/14/2025 13:13:43 76.07, -9.90 84.66 48.49 69
13 10/17/2025 03:50:06 76.37, 131.80 85.96 10/17/2025 03:51:09 76.40, 131.77 86.00 3.35 63
14 10/17/2025 04:40:50 -76.34, -60.77 94.05 10/17/2025 04:40:38 -76.34, -60.81 94.07 1.39 12

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/3/2025
SNOs_Map_FY3D_LANDSAT-8_20251004.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 10/03/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8