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: 10/12/2025
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 10/14/2025 11:33:34 76.46, 15.53 85.04 10/14/2025 11:34:46 76.41, 15.88 85.02 10.80 72
2 10/14/2025 12:24:16 -76.35,-176.75 95.04 10/14/2025 12:24:15 -76.33,-176.74 95.06 2.42 1
3 10/14/2025 13:14:55 76.09, -8.44 84.77 10/14/2025 13:13:44 76.17, -9.62 84.77 32.80 71
4 10/17/2025 03:50:08 76.39, 131.73 85.97 10/17/2025 03:51:14 76.38, 131.68 85.98 1.42 66
5 10/17/2025 04:40:52 -76.36, -60.86 94.04 10/17/2025 04:40:42 -76.36, -60.77 94.04 2.57 10
6 10/17/2025 05:31:23 75.74, 108.69 85.50 10/17/2025 05:30:19 75.80, 105.13 85.34 97.69 64
7 10/19/2025 20:06:45 76.41,-112.44 86.97 10/19/2025 20:07:42 76.38,-112.44 86.95 3.26 57
8 10/19/2025 20:57:28 -76.34, 55.15 93.08 10/19/2025 20:57:10 -76.36, 55.12 93.07 2.32 18
9 10/22/2025 12:23:21 76.40, 3.54 87.92 10/22/2025 12:24:09 76.40, 3.51 87.93 0.79 48
10 10/22/2025 13:14:05 -76.37, 170.97 92.09 10/22/2025 13:13:37 -76.38, 171.08 92.08 3.22 28
11 10/25/2025 04:39:57 76.39, 119.48 88.86 10/25/2025 04:40:36 76.40, 119.38 88.86 2.59 39
12 10/25/2025 05:30:41 -76.36, -73.07 91.16 10/25/2025 05:30:04 -76.38, -73.04 91.15 2.17 37

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/12/2025
SNOs_Map_FY3D_LANDSAT-8_20251013.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 10/12/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8