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: 7/29/2025
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 75.65, -13.67 58.94 08/05/2025 13:33:13 75.65, -17.11 58.82 94.77 65
2 08/05/2025 14:25:11 -76.06, 152.21 120.70 08/05/2025 14:23:57 -76.09, 151.72 120.69 13.60 74
3 08/05/2025 15:15:59 76.17, -40.87 59.41 08/05/2025 15:14:58 76.16, -40.80 59.40 2.20 61
4 08/05/2025 16:06:43 -76.17, 126.43 120.58 08/05/2025 16:05:52 -76.15, 126.45 120.61 2.72 51
5 08/05/2025 16:57:28 76.15, -66.16 59.41 08/05/2025 16:56:54 76.17, -66.22 59.43 3.33 34
6 08/05/2025 17:48:12 -76.15, 101.14 120.58 08/05/2025 17:47:48 -76.17, 101.03 120.57 3.24 24
7 08/05/2025 18:38:58 76.17, -91.62 59.45 08/05/2025 18:38:50 76.19, -91.65 59.47 2.16 8
8 08/05/2025 19:29:41 -76.18, 75.68 120.54 08/05/2025 19:29:43 -76.18, 75.60 120.53 2.15 2
9 08/05/2025 20:20:27 76.20,-117.07 59.49 08/05/2025 20:20:45 76.21,-117.07 59.51 1.11 18
10 08/05/2025 21:11:11 -76.20, 50.22 120.50 08/05/2025 21:11:39 -76.20, 50.18 120.50 1.28 28
11 08/05/2025 22:01:57 76.22,-142.53 59.53 08/05/2025 22:02:41 76.22,-142.50 59.54 0.90 44
12 08/05/2025 22:52:41 -76.22, 24.77 120.46 08/05/2025 22:53:35 -76.21, 24.75 120.46 1.27 54
13 08/05/2025 23:43:27 76.24,-167.99 59.57 08/05/2025 23:44:37 76.24,-167.92 59.58 1.86 70
14 08/06/2025 00:34:16 -76.47, -1.53 120.22 08/06/2025 00:35:26 -76.45, 0.16 120.18 44.11 70

Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/29/2025
SNOs_Map_FY3D_NOAA-19_20250729.jpg

Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 07/29/2025 in txt file.

Historial Predications of SNOs between FY3D and NOAA-19