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: 11/4/2025
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 11/07/2025 14:02:54 76.44, -21.08 93.19 11/07/2025 14:03:06 76.44, -21.10 93.20 0.65 12
2 11/07/2025 14:53:38 -76.42, 146.33 86.82 11/07/2025 14:52:34 -76.42, 146.45 86.83 3.16 64
3 11/10/2025 05:28:54 -76.87, -74.18 85.72 11/10/2025 05:30:02 -76.77, -71.75 85.68 62.85 68
4 11/10/2025 06:19:29 76.44, 94.86 93.96 11/10/2025 06:19:34 76.46, 94.84 93.98 2.22 5
5 11/10/2025 07:10:13 -76.42, -97.74 86.05 11/10/2025 07:09:03 -76.39, -97.76 86.10 3.27 70
6 11/12/2025 21:45:22 -76.62, 42.79 85.19 11/12/2025 21:46:34 -76.53, 43.32 85.23 16.56 72
7 11/12/2025 22:36:03 76.45,-149.23 94.69 11/12/2025 22:36:01 76.46,-149.28 94.70 1.75 2
8 11/12/2025 23:26:43 -76.25, 18.84 85.46 11/12/2025 23:25:31 -76.34, 17.97 85.43 25.28 72
9 11/15/2025 14:01:54 -76.50, 159.19 84.59 11/15/2025 14:03:02 -76.51, 159.14 84.57 2.18 68
10 11/15/2025 14:52:38 76.46, -33.35 95.39 11/15/2025 14:52:28 76.49, -33.30 95.42 3.08 10
11 11/15/2025 15:43:11 -75.95, 135.86 85.00 11/15/2025 15:42:05 -76.03, 132.87 85.10 81.21 66
12 11/18/2025 06:18:29 -76.52, -84.95 83.93 11/18/2025 06:19:29 -76.52, -84.94 83.91 0.58 60
13 11/18/2025 07:09:13 76.48, 82.51 96.06 11/18/2025 07:08:55 76.49, 82.60 96.07 2.81 18

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/4/2025
SNOs_Map_FY3D_LANDSAT-8_20251105.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 11/04/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8