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: 7/23/2025
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 13:34:17 75.63, -13.63 58.92 08/05/2025 13:33:13 75.61, -17.22 58.78 99.37 64
2 08/05/2025 14:25:11 -76.09, 152.11 120.67 08/05/2025 14:23:57 -76.06, 151.61 120.73 13.83 74
3 08/05/2025 15:15:58 76.16, -40.82 59.40 08/05/2025 15:14:57 76.17, -40.76 59.41 2.03 61
4 08/05/2025 16:06:42 -76.16, 126.50 120.59 08/05/2025 16:05:51 -76.17, 126.51 120.59 1.04 51
5 08/05/2025 16:57:28 76.18, -66.28 59.44 08/05/2025 16:56:53 76.18, -66.19 59.44 2.45 35
6 08/05/2025 17:48:12 -76.18, 101.04 120.55 08/05/2025 17:47:47 -76.18, 101.08 120.55 1.15 25
7 08/05/2025 18:38:58 76.20, -91.73 59.48 08/05/2025 18:38:49 76.20, -91.61 59.48 3.30 9
8 08/05/2025 19:29:42 -76.20, 75.58 120.51 08/05/2025 19:29:43 -76.20, 75.66 120.52 2.12 1
9 08/05/2025 20:20:27 76.18,-117.03 59.48 08/05/2025 20:20:45 76.21,-117.04 59.52 3.66 18
10 08/05/2025 21:11:12 -76.23, 50.13 120.47 08/05/2025 21:11:39 -76.21, 50.23 120.48 3.25 27
11 08/05/2025 22:01:57 76.21,-142.48 59.52 08/05/2025 22:02:41 76.23,-142.46 59.55 2.85 44
12 08/05/2025 22:52:41 -76.21, 24.83 120.47 08/05/2025 22:53:35 -76.23, 24.81 120.44 2.54 54
13 08/05/2025 23:43:27 76.23,-167.94 59.56 08/05/2025 23:44:37 76.25,-167.89 59.59 2.42 70
14 08/06/2025 00:34:16 -76.45, -1.46 120.23 08/06/2025 00:35:27 -76.42, 0.05 120.21 39.53 71

Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/23/2025
SNOs_Map_FY3D_NOAA-19_20250723.jpg

Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 07/23/2025 in txt file.

Historial Predications of SNOs between FY3D and NOAA-19