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: 10/6/2025
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 11:34:25 -76.34,-164.44 98.12 10/06/2025 11:34:47 -76.33,-164.39 98.12 1.65 22
2 10/06/2025 12:25:09 76.28, 3.08 81.85 10/06/2025 12:24:14 76.26, 3.05 81.82 2.12 55
3 10/09/2025 03:51:01 -76.32, -48.46 97.10 10/09/2025 03:51:16 -76.33, -48.48 97.09 1.61 15
4 10/09/2025 04:41:45 76.27, 119.03 82.88 10/09/2025 04:40:43 76.27, 118.94 82.86 2.30 62
5 10/11/2025 19:17:04 76.77,-101.65 84.28 10/11/2025 19:18:11 76.67, -99.10 84.31 66.01 67
6 10/11/2025 20:07:38 -76.32, 67.48 96.08 10/11/2025 20:07:46 -76.31, 67.32 96.09 4.14 8
7 10/11/2025 20:58:22 76.27,-125.05 83.90 10/11/2025 20:57:12 76.29,-125.10 83.90 2.51 70
8 10/14/2025 11:33:34 76.48, 15.47 85.05 10/14/2025 11:34:45 76.42, 15.94 85.04 13.47 71
9 10/14/2025 12:24:16 -76.36,-176.78 95.03 10/14/2025 12:24:14 -76.35,-176.66 95.04 3.29 2
10 10/14/2025 13:14:54 76.06, -8.33 84.75 10/14/2025 13:13:44 76.14, -9.72 84.73 38.04 70
11 10/17/2025 03:50:09 76.40, 131.67 85.99 10/17/2025 03:51:14 76.38, 131.69 85.98 2.16 65
12 10/17/2025 04:40:52 -76.33, -60.73 94.06 10/17/2025 04:40:42 -76.37, -60.73 94.03 4.03 10
13 10/19/2025 20:06:44 76.38,-112.32 86.95 10/19/2025 20:07:40 76.41,-112.33 86.99 3.10 56
14 10/19/2025 20:57:28 -76.35, 55.12 93.07 10/19/2025 20:57:09 -76.35, 55.09 93.08 0.86 19

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/6/2025
SNOs_Map_FY3D_LANDSAT-8_20251006.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 10/06/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8