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: 1/28/2025
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 01/28/2025 07:45:08 75.33, 69.84 93.37 01/28/2025 07:46:13 75.36, 69.82 93.40 3.62 65
2 01/28/2025 08:35:52 -75.31,-122.80 86.66 01/28/2025 08:35:42 -75.29,-122.75 86.69 3.33 10
3 01/28/2025 09:26:24 74.68, 46.41 92.72 01/28/2025 09:25:19 74.71, 43.39 92.71 88.82 65
4 01/31/2025 00:02:02 75.35,-174.38 92.66 01/31/2025 00:02:44 75.34,-174.36 92.65 0.92 42
5 01/31/2025 00:52:45 -75.28, -6.85 87.43 01/31/2025 00:52:13 -75.27, -6.93 87.44 2.45 32
6 02/02/2025 16:18:55 75.33, -58.48 91.87 02/02/2025 16:19:14 75.33, -58.53 91.87 1.25 19
7 02/02/2025 17:09:37 -75.26, 109.06 88.21 02/02/2025 17:08:42 -75.26, 108.92 88.22 3.83 55
8 02/05/2025 07:45:03 -75.38,-110.11 88.87 02/05/2025 07:46:15 -75.40,-110.08 88.85 2.42 72
9 02/05/2025 08:35:47 75.33, 57.37 91.07 02/05/2025 08:35:42 75.32, 57.34 91.06 1.07 5
10 02/05/2025 09:26:25 -75.02,-134.36 89.25 02/05/2025 09:25:14 -75.11,-135.61 89.18 37.17 71
11 02/08/2025 00:01:56 -75.39, 5.72 89.70 02/08/2025 00:02:44 -75.36, 5.68 89.73 3.10 48
12 02/08/2025 00:52:40 75.34, 173.19 90.24 02/08/2025 00:52:10 75.33, 173.23 90.23 1.53 30
13 02/10/2025 16:18:48 -75.36, 121.67 90.60 02/10/2025 16:19:11 -75.38, 121.61 90.58 2.77 23

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/28/2025
SNOs_Map_FY3D_LANDSAT-8_20250128.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 01/28/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8