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: 8/13/2025
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 23:42:48 -76.15, 12.70 118.16 08/13/2025 23:43:54 -76.15, 12.76 118.15 1.65 66
2 08/14/2025 00:33:33 76.11,-179.83 61.82 08/14/2025 00:33:21 76.09,-179.79 61.80 2.62 12
3 08/14/2025 01:24:04 -75.54, -10.55 118.66 08/14/2025 01:22:59 -75.57, -13.71 118.76 87.78 65
4 08/16/2025 15:59:28 -76.17, 128.56 117.30 08/16/2025 16:00:23 -76.14, 128.62 117.31 3.04 55
5 08/16/2025 16:50:12 76.08, -63.81 62.64 08/16/2025 16:49:50 76.07, -63.95 62.63 3.76 22
6 08/19/2025 08:16:08 -76.14,-115.44 116.45 08/19/2025 08:16:52 -76.17,-115.42 116.42 3.18 44
7 08/19/2025 09:06:53 76.10, 52.03 63.53 08/19/2025 09:06:19 76.10, 52.00 63.52 0.74 34
8 08/22/2025 00:32:49 -76.16, 0.39 115.54 08/22/2025 00:33:21 -76.18, 0.49 115.51 3.20 32
9 08/22/2025 01:23:34 76.12, 167.85 64.45 08/22/2025 01:22:48 76.10, 167.90 64.42 2.39 46
10 08/24/2025 16:49:29 -76.14, 116.36 114.63 08/24/2025 16:49:50 -76.17, 116.35 114.60 2.96 21
11 08/24/2025 17:40:14 76.10, -76.19 65.35 08/24/2025 17:39:17 76.09, -76.24 65.33 1.75 57
12 08/27/2025 08:15:36 76.65, 63.01 66.74 08/27/2025 08:16:42 76.55, 65.86 66.75 74.05 66
13 08/27/2025 09:06:09 -76.17,-127.85 113.66 08/27/2025 09:06:18 -76.15,-127.83 113.69 3.09 9

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/13/2025
SNOs_Map_FY3D_LANDSAT-8_20250814.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/13/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8