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: 4/16/2025
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 04/18/2025 09:23:45 75.70, 45.94 64.76 04/18/2025 09:24:27 75.70, 46.00 64.76 1.43 42
2 04/18/2025 10:14:27 -75.63,-146.51 115.32 04/18/2025 10:13:56 -75.62,-146.60 115.34 2.83 31
3 04/21/2025 01:40:29 75.69, 161.86 63.84 04/21/2025 01:40:53 75.68, 161.83 63.83 1.65 24
4 04/21/2025 02:31:11 -75.62, -30.59 116.24 04/21/2025 02:30:21 -75.65, -30.62 116.22 3.31 50
5 04/23/2025 17:06:36 -76.15, 108.84 116.63 04/23/2025 17:07:44 -76.04, 111.15 116.66 63.11 68
6 04/23/2025 17:57:12 75.70, -82.27 62.96 04/23/2025 17:57:17 75.67, -82.32 62.92 3.46 5
7 04/23/2025 18:47:54 -75.62, 85.29 117.12 04/23/2025 18:46:45 -75.64, 85.25 117.12 2.20 69
8 04/26/2025 09:23:11 -75.76,-133.90 117.85 04/26/2025 09:24:14 -75.74,-133.85 117.86 2.40 63
9 04/26/2025 10:13:55 75.67, 33.71 62.07 04/26/2025 10:13:41 75.66, 33.57 62.05 4.07 14
10 04/29/2025 01:39:54 -75.74, -17.95 118.70 04/29/2025 01:40:37 -75.75, -17.93 118.69 0.91 43
11 04/29/2025 02:30:39 75.70, 149.50 61.26 04/29/2025 02:30:03 75.71, 149.62 61.27 3.72 36

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/16/2025
SNOs_Map_FY3D_LANDSAT-8_20250416.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/16/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8