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 10/09/2025 03:51:02 -76.35, -48.59 97.07 10/09/2025 03:51:16 -76.35, -48.44 97.07 4.02 14
2 10/09/2025 04:41:45 76.26, 119.07 82.87 10/09/2025 04:40:43 76.28, 118.99 82.88 3.28 62
3 10/11/2025 19:17:04 76.76,-101.61 84.27 10/11/2025 19:18:11 76.69, -99.04 84.34 66.17 67
4 10/11/2025 20:07:39 -76.35, 67.35 96.05 10/11/2025 20:07:46 -76.33, 67.38 96.07 2.40 7
5 10/11/2025 20:58:23 76.31,-125.18 83.93 10/11/2025 20:57:12 76.31,-125.04 83.92 3.60 71
6 10/14/2025 11:33:34 76.47, 15.50 85.04 10/14/2025 11:34:46 76.40, 15.86 85.01 12.07 72
7 10/14/2025 12:24:16 -76.36,-176.75 95.04 10/14/2025 12:24:15 -76.33,-176.73 95.06 2.70 1
8 10/14/2025 13:14:55 76.09, -8.47 84.78 10/14/2025 13:13:44 76.16, -9.63 84.76 31.99 71
9 10/17/2025 03:50:08 76.40, 131.69 85.98 10/17/2025 03:51:14 76.37, 131.65 85.97 3.16 66
10 10/17/2025 04:40:51 -76.33, -60.72 94.07 10/17/2025 04:40:42 -76.35, -60.78 94.05 3.38 9
11 10/17/2025 05:31:23 75.75, 108.66 85.51 10/17/2025 05:30:19 75.79, 105.10 85.33 97.22 64
12 10/19/2025 20:06:44 76.38,-112.32 86.95 10/19/2025 20:07:41 76.41,-112.33 86.99 3.19 57
13 10/19/2025 20:57:28 -76.35, 55.11 93.07 10/19/2025 20:57:10 -76.35, 55.08 93.08 0.90 18

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/6/2025
SNOs_Map_FY3D_LANDSAT-8_20251007.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