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: 4/20/2025
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 04/21/2025 01:40:29 75.69, 161.85 63.84 04/21/2025 01:40:53 75.69, 161.85 63.84 0.82 24
2 04/21/2025 02:31:11 -75.63, -30.61 116.23 04/21/2025 02:30:21 -75.65, -30.61 116.22 2.85 50
3 04/23/2025 17:06:37 -76.15, 108.83 116.63 04/23/2025 17:07:45 -76.06, 111.21 116.64 64.38 68
4 04/23/2025 17:57:12 75.69, -82.26 62.95 04/23/2025 17:57:17 75.69, -82.24 62.95 0.55 5
5 04/23/2025 18:47:54 -75.63, 85.28 117.12 04/23/2025 18:46:46 -75.61, 85.16 117.15 3.53 68
6 04/26/2025 09:23:11 -75.75,-133.89 117.85 04/26/2025 09:24:15 -75.74,-133.86 117.86 1.76 64
7 04/26/2025 10:13:56 75.71, 33.59 62.10 04/26/2025 10:13:41 75.72, 33.71 62.11 3.72 15
8 04/26/2025 11:04:25 -75.03,-156.96 118.50 04/26/2025 11:03:21 -75.09,-160.39 118.58 98.45 64
9 04/29/2025 01:39:54 -75.73, -17.91 118.71 04/29/2025 01:40:39 -75.73, -17.99 118.71 2.15 45
10 04/29/2025 02:30:39 75.68, 149.55 61.24 04/29/2025 02:30:05 75.70, 149.57 61.26 2.34 34
11 05/01/2025 17:56:38 -75.76, 97.87 119.50 05/01/2025 17:57:02 -75.74, 97.92 119.51 3.02 24

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/20/2025
SNOs_Map_FY3D_LANDSAT-8_20250420.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/20/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8