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: 8/12/2025
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 08/13/2025 23:42:47 -76.13, 12.80 118.18 08/13/2025 23:43:54 -76.13, 12.71 118.17 2.50 67
2 08/14/2025 00:33:32 76.08,-179.74 61.80 08/14/2025 00:33:20 76.11,-179.70 61.83 3.57 12
3 08/14/2025 01:24:04 -75.56, -10.61 118.65 08/14/2025 01:22:58 -75.60, -13.62 118.73 83.48 66
4 08/16/2025 15:59:28 -76.14, 128.66 117.32 08/16/2025 16:00:24 -76.13, 128.57 117.33 2.88 56
5 08/16/2025 16:50:13 76.10, -63.88 62.66 08/16/2025 16:49:50 76.10, -63.85 62.66 1.09 23
6 08/19/2025 08:16:09 -76.16,-115.50 116.44 08/19/2025 08:16:53 -76.15,-115.47 116.43 0.93 44
7 08/19/2025 09:06:54 76.11, 51.96 63.55 08/19/2025 09:06:20 76.08, 51.95 63.50 3.97 34
8 08/22/2025 00:32:49 -76.18, 0.33 115.52 08/22/2025 00:33:21 -76.16, 0.45 115.53 3.55 32
9 08/22/2025 01:23:33 76.09, 167.95 64.42 08/22/2025 01:22:48 76.09, 167.86 64.41 2.46 45
10 08/24/2025 16:49:29 -76.16, 116.30 114.62 08/24/2025 16:49:50 -76.16, 116.32 114.62 0.35 21

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/12/2025
SNOs_Map_FY3D_LANDSAT-8_20250812.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/12/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8