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: 10/11/2025
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 76.49, 15.41 85.06 10/14/2025 11:34:45 76.43, 15.94 85.04 15.45 71
2 10/14/2025 12:24:15 -76.34,-176.69 95.05 10/14/2025 12:24:14 -76.35,-176.67 95.04 1.64 1
3 10/14/2025 13:14:55 76.12, -8.55 84.79 10/14/2025 13:13:44 76.14, -9.71 84.74 31.07 71
4 10/17/2025 03:50:09 76.42, 131.62 86.00 10/17/2025 03:51:14 76.41, 131.76 86.01 3.83 65
5 10/17/2025 04:40:52 -76.35, -60.80 94.05 10/17/2025 04:40:43 -76.34, -60.84 94.06 1.52 9
6 10/17/2025 05:31:24 75.77, 108.59 85.52 10/17/2025 05:30:20 75.78, 105.06 85.32 96.52 64
7 10/19/2025 20:06:45 76.39,-112.37 86.96 10/19/2025 20:07:42 76.42,-112.33 86.99 2.77 57
8 10/19/2025 20:57:29 -76.37, 55.05 93.06 10/19/2025 20:57:11 -76.35, 55.08 93.08 2.18 18
9 10/22/2025 12:23:22 76.42, 3.44 87.94 10/22/2025 12:24:10 76.40, 3.51 87.93 3.04 48
10 10/22/2025 13:14:05 -76.35, 171.05 92.11 10/22/2025 13:13:39 -76.33, 170.92 92.14 3.77 26
11 10/25/2025 04:39:57 76.42, 119.40 88.88 10/25/2025 04:40:36 76.41, 119.42 88.88 1.06 39
12 10/25/2025 05:30:41 -76.38, -73.16 91.15 10/25/2025 05:30:04 -76.39, -73.00 91.14 4.22 37

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/11/2025
SNOs_Map_FY3D_LANDSAT-8_20251012.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 10/11/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8