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: 9/10/2025
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 09/12/2025 09:55:23 76.21, 40.14 72.35 09/12/2025 09:55:48 76.22, 40.03 72.36 3.29 25
2 09/12/2025 10:46:06 -76.18,-152.44 107.67 09/12/2025 10:45:16 -76.20,-152.41 107.66 2.46 50
3 09/15/2025 02:12:03 76.24, 155.91 73.42 09/15/2025 02:12:19 76.22, 155.89 73.39 2.88 16
4 09/15/2025 03:02:46 -76.21, -36.65 106.60 09/15/2025 03:01:47 -76.20, -36.54 106.62 3.29 59
5 09/17/2025 17:38:09 -76.79, 102.36 105.10 09/17/2025 17:39:14 -76.70, 105.75 105.03 87.08 65
6 09/17/2025 18:28:42 76.24, -88.17 74.46 09/17/2025 18:28:49 76.25, -88.14 74.47 1.13 7
7 09/17/2025 19:19:25 -76.20, 79.29 105.56 09/17/2025 19:18:18 -76.18, 79.29 105.60 2.23 67
8 09/20/2025 09:54:40 -76.44,-140.32 104.34 09/20/2025 09:55:52 -76.34,-139.61 104.40 21.86 72
9 09/20/2025 10:45:21 76.24, 27.74 75.51 09/20/2025 10:45:19 76.26, 27.79 75.53 2.70 2
10 09/20/2025 11:36:02 -76.11,-164.45 104.59 09/20/2025 11:34:49 -76.15,-164.93 104.58 13.64 73
11 09/23/2025 02:11:15 -76.31, -23.91 103.40 09/23/2025 02:12:22 -76.29, -23.88 103.40 1.83 67
12 09/23/2025 03:01:59 76.25, 143.63 76.57 09/23/2025 03:01:48 76.26, 143.67 76.59 2.06 11

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/10/2025
SNOs_Map_FY3D_LANDSAT-8_20250911.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/10/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8