Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/25/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 08/05/2025 13:34:18 75.64, -13.66 58.93 08/05/2025 13:33:13 75.66, -17.07 58.83 94.22 65
2 08/05/2025 14:25:12 -76.10, 152.08 120.66 08/05/2025 14:23:58 -76.06, 151.60 120.73 13.41 74
3 08/05/2025 15:15:59 76.16, -40.85 59.41 08/05/2025 15:14:58 76.17, -40.76 59.41 2.39 61
4 08/05/2025 16:06:43 -76.17, 126.46 120.58 08/05/2025 16:05:52 -76.16, 126.50 120.59 1.22 51
5 08/05/2025 16:57:29 76.19, -66.31 59.45 08/05/2025 16:56:54 76.18, -66.19 59.44 3.27 35
6 08/05/2025 17:48:13 -76.19, 101.00 120.54 08/05/2025 17:47:48 -76.18, 101.08 120.56 2.34 25
7 08/05/2025 18:38:58 76.17, -91.60 59.45 08/05/2025 18:38:50 76.20, -91.61 59.48 3.57 8
8 08/05/2025 19:29:41 -76.17, 75.71 120.54 08/05/2025 19:29:43 -76.20, 75.65 120.52 3.24 2
9 08/05/2025 20:20:27 76.19,-117.06 59.49 08/05/2025 20:20:45 76.22,-117.04 59.52 2.77 18
10 08/05/2025 21:11:11 -76.19, 50.25 120.50 08/05/2025 21:11:39 -76.21, 50.23 120.48 2.11 28
11 08/05/2025 22:01:57 76.21,-142.52 59.53 08/05/2025 22:02:41 76.23,-142.46 59.55 2.35 44
12 08/05/2025 22:52:41 -76.22, 24.79 120.46 08/05/2025 22:53:35 -76.23, 24.80 120.44 1.15 54
13 08/05/2025 23:43:27 76.24,-167.97 59.57 08/05/2025 23:44:37 76.25,-167.89 59.59 2.53 70
14 08/06/2025 00:34:16 -76.46, -1.50 120.22 08/06/2025 00:35:27 -76.42, 0.04 120.21 40.55 71

Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/25/2025
SNOs_Map_FY3D_NOAA-19_20250725.jpg

Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 07/25/2025 in txt file.

Historial Predications of SNOs between FY3D and NOAA-19