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: 6/25/2025
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 06/26/2025 21:14:57 75.94,-130.88 52.67 06/26/2025 21:15:19 75.96,-130.75 52.68 3.68 22
2 06/26/2025 22:05:40 -75.87, 36.69 127.40 06/26/2025 22:04:48 -75.88, 36.66 127.40 1.17 52
3 06/29/2025 13:31:37 75.93, -14.90 52.78 06/29/2025 13:31:49 75.95, -14.89 52.80 2.76 12
4 06/29/2025 14:22:21 -75.90, 152.51 127.25 06/29/2025 14:21:18 -75.88, 152.53 127.28 2.15 63
5 07/02/2025 04:57:39 -76.22, -67.36 126.79 07/02/2025 04:58:50 -76.10, -66.17 126.86 34.03 71
6 07/02/2025 05:48:18 75.95, 100.90 52.98 07/02/2025 05:48:19 75.93, 100.94 52.96 2.77 1
7 07/02/2025 06:39:01 -75.88, -91.52 127.09 07/02/2025 06:37:48 -75.86, -91.63 127.12 3.30 73
8 07/04/2025 21:14:14 -75.98, 49.41 126.78 07/04/2025 21:15:22 -75.98, 49.33 126.77 2.15 68
9 07/04/2025 22:04:58 75.94,-143.15 53.19 07/04/2025 22:04:48 75.95,-143.12 53.20 1.46 10
10 07/04/2025 22:55:32 -75.45, 25.80 127.23 07/04/2025 22:54:25 -75.49, 23.16 127.30 73.72 67
11 07/07/2025 13:30:54 -76.01, 165.19 126.48 07/07/2025 13:31:50 -75.99, 165.24 126.49 2.75 56
12 07/07/2025 14:21:37 75.93, -27.21 53.46 07/07/2025 14:21:16 75.96, -27.21 53.48 3.18 21

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/25/2025
SNOs_Map_FY3D_LANDSAT-8_20250625.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 06/25/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8