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: 10/9/2025
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 10/09/2025 04:41:45 76.27, 119.04 82.88 10/09/2025 04:40:43 76.27, 118.96 82.86 2.27 62
2 10/11/2025 19:17:04 76.77,-101.63 84.27 10/11/2025 19:18:11 76.68, -99.06 84.33 66.42 67
3 10/11/2025 20:07:38 -76.31, 67.48 96.08 10/11/2025 20:07:46 -76.32, 67.35 96.08 3.57 8
4 10/11/2025 20:58:23 76.31,-125.20 83.94 10/11/2025 20:57:12 76.31,-125.06 83.92 3.77 71
5 10/14/2025 11:33:34 76.47, 15.49 85.04 10/14/2025 11:34:46 76.41, 15.87 85.02 12.23 72
6 10/14/2025 12:24:16 -76.36,-176.77 95.04 10/14/2025 12:24:15 -76.33,-176.73 95.06 2.87 1
7 10/14/2025 13:14:55 76.10, -8.47 84.78 10/14/2025 13:13:44 76.17, -9.62 84.77 31.61 71
8 10/17/2025 03:50:09 76.39, 131.71 85.98 10/17/2025 03:51:15 76.39, 131.71 85.99 0.19 66
9 10/17/2025 04:40:53 -76.37, -60.87 94.03 10/17/2025 04:40:43 -76.37, -60.72 94.02 3.98 10
10 10/17/2025 05:31:24 75.75, 108.67 85.51 10/17/2025 05:30:20 75.81, 105.16 85.36 96.23 64
11 10/19/2025 20:06:45 76.41,-112.44 86.97 10/19/2025 20:07:42 76.40,-112.37 86.98 2.26 57
12 10/19/2025 20:57:28 -76.34, 55.16 93.08 10/19/2025 20:57:11 -76.34, 55.05 93.09 2.91 17
13 10/22/2025 12:23:21 76.40, 3.55 87.92 10/22/2025 12:24:10 76.39, 3.48 87.92 1.85 49
14 10/22/2025 13:14:05 -76.36, 171.00 92.10 10/22/2025 13:13:38 -76.38, 171.06 92.09 2.32 27

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/9/2025
SNOs_Map_FY3D_LANDSAT-8_20251009.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 10/09/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8