Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/1/2023
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Distance(km) Time Diff (sec)
1 05/01/2023 04:44:39 81.19, 49.66 70.52 05/01/2023 04:43:47 81.19, 49.50 70.57 2.85 52
2 05/01/2023 05:35:25 -81.19,-143.08 109.49 05/01/2023 05:34:32 -81.19,-143.27 109.43 3.19 53
3 05/01/2023 06:26:11 81.19, 24.06 70.53 05/01/2023 06:25:17 81.19, 24.09 70.56 0.50 54
4 05/01/2023 07:16:57 -81.19,-168.68 109.48 05/01/2023 07:16:02 -81.19,-168.67 109.45 0.24 55
5 05/01/2023 08:07:42 81.19, -1.15 70.49 05/01/2023 08:06:47 81.19, -1.31 70.54 2.77 55
6 05/01/2023 08:58:28 -81.19, 166.11 109.52 05/01/2023 08:57:32 -81.19, 165.92 109.46 3.15 56
7 05/01/2023 09:49:14 81.19, -26.75 70.49 05/01/2023 09:48:17 81.19, -26.72 70.52 0.60 57
8 05/01/2023 10:40:00 -81.19, 140.51 109.51 05/01/2023 10:39:02 -81.19, 140.52 109.48 0.41 58
9 05/01/2023 11:30:45 81.19, -51.97 70.45 05/01/2023 11:29:47 81.19, -52.12 70.51 2.70 58
10 05/01/2023 12:21:31 -81.19, 115.29 109.56 05/01/2023 12:20:32 -81.19, 115.11 109.50 3.12 59
11 05/01/2023 13:12:17 81.19, -77.57 70.46 05/01/2023 13:11:17 81.19, -77.53 70.49 0.74 60
12 05/01/2023 14:03:01 -81.19, 90.08 109.60 05/01/2023 14:02:00 -81.18, 90.09 109.57 0.53 61
13 05/01/2023 14:53:47 81.19,-102.78 70.42 05/01/2023 14:52:46 81.19,-102.93 70.47 2.63 61
14 05/01/2023 15:44:33 -81.19, 64.48 109.59 05/01/2023 15:43:31 -81.19, 64.30 109.53 3.10 62
15 05/01/2023 16:35:18 81.19,-128.00 70.37 05/01/2023 16:34:15 81.18,-127.96 70.40 0.87 63
16 05/01/2023 17:26:04 -81.19, 39.27 109.64 05/01/2023 17:25:00 -81.19, 39.28 109.60 0.40 64
17 05/01/2023 18:16:50 81.19,-153.60 70.38 05/01/2023 18:15:46 81.19,-153.75 70.44 2.58 64
18 05/01/2023 19:07:35 -81.19, 14.05 109.68 05/01/2023 19:06:30 -81.19, 13.87 109.62 3.07 65
19 05/01/2023 19:58:21 81.19,-178.81 70.34 05/01/2023 19:57:15 81.19,-178.77 70.37 0.85 66
20 05/01/2023 20:49:07 -81.19, -11.55 109.67 05/01/2023 20:48:00 -81.19, -11.53 109.64 0.32 67
21 05/01/2023 21:39:52 81.19, 155.97 70.29 05/01/2023 21:38:45 81.19, 155.83 70.35 2.53 67
22 05/01/2023 22:30:38 -81.19, -36.76 109.72 05/01/2023 22:29:30 -81.19, -36.94 109.66 3.00 68
23 05/01/2023 23:21:24 81.19, 130.37 70.30 05/01/2023 23:20:15 81.19, 130.42 70.33 0.88 69
24 05/02/2023 00:12:10 -81.19, -62.36 109.71 05/02/2023 00:11:00 -81.19, -62.34 109.67 0.32 70
25 05/02/2023 01:02:55 81.19, 105.16 70.26 05/02/2023 01:01:45 81.19, 105.02 70.32 2.42 70
26 05/02/2023 01:53:41 -81.19, -87.57 109.75 05/02/2023 01:52:30 -81.19, -87.75 109.69 2.94 71
27 05/02/2023 02:44:27 81.19, 79.55 70.27 05/02/2023 02:43:15 81.19, 79.61 70.30 0.94 72
28 05/02/2023 03:35:13 -81.19,-113.17 109.74 05/02/2023 03:34:00 -81.19,-113.15 109.71 0.42 73
29 05/02/2023 04:25:58 81.19, 54.34 70.22 05/02/2023 04:24:45 81.19, 54.20 70.28 2.32 73
30 05/02/2023 05:16:44 -81.19,-138.39 109.79 05/02/2023 05:15:30 -81.19,-138.56 109.72 2.89 74
31 05/02/2023 06:07:30 81.19, 28.74 70.23 05/02/2023 06:06:15 81.19, 28.80 70.27 1.04 75

Figure of FY3D and NOAA-20 satellite orbits during SNOs since TLE Epoch: 5/1/2023
SNOs_Map_FY3D_NOAA-20_20230501.jpg

Download SNOs between FY3D and NOAA-20 since TLE EPOCH: 05/01/2023 in txt file.

Historial Predications of SNOs between FY3D and NOAA-20