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: 4/30/2023
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 04/30/2023 05:03:20 81.19, 44.48 70.89 04/30/2023 05:02:48 81.19, 44.67 70.89 3.29 32
2 04/30/2023 05:54:05 -81.19,-147.89 109.16 04/30/2023 05:53:32 -81.18,-147.71 109.17 3.22 33
3 04/30/2023 06:44:51 81.19, 19.27 70.85 04/30/2023 06:44:18 81.19, 19.27 70.87 0.19 33
4 04/30/2023 07:35:37 -81.19,-173.49 109.16 04/30/2023 07:35:03 -81.19,-173.49 109.14 0.40 34
5 04/30/2023 08:26:22 81.19, -5.95 70.81 04/30/2023 08:25:48 81.19, -6.14 70.85 3.28 34
6 04/30/2023 09:17:08 -81.19, 161.30 109.20 04/30/2023 09:16:32 -81.18, 161.48 109.21 3.22 36
7 04/30/2023 10:07:54 81.19, -31.55 70.81 04/30/2023 10:07:18 81.19, -31.54 70.83 0.36 36
8 04/30/2023 10:58:39 -81.19, 136.09 109.25 04/30/2023 10:58:02 -81.18, 136.08 109.23 0.50 37
9 04/30/2023 11:49:25 81.19, -56.76 70.77 04/30/2023 11:48:48 81.19, -56.95 70.82 3.23 37
10 04/30/2023 12:40:11 -81.19, 110.49 109.24 04/30/2023 12:39:32 -81.19, 110.68 109.24 3.23 39
11 04/30/2023 13:30:57 81.19, -82.36 70.78 04/30/2023 13:30:18 81.19, -82.35 70.80 0.54 39
12 04/30/2023 14:21:42 -81.19, 85.27 109.28 04/30/2023 14:21:02 -81.19, 85.27 109.26 0.34 40
13 04/30/2023 15:12:28 81.19,-107.57 70.73 04/30/2023 15:11:48 81.19,-107.76 70.78 3.19 40
14 04/30/2023 16:03:14 -81.19, 59.68 109.27 04/30/2023 16:02:32 -81.19, 59.87 109.28 3.26 42
15 04/30/2023 16:53:59 81.19,-132.79 70.69 04/30/2023 16:53:17 81.19,-132.78 70.71 0.39 42
16 04/30/2023 17:44:45 -81.19, 34.46 109.32 04/30/2023 17:44:02 -81.19, 34.46 109.30 0.17 43
17 04/30/2023 18:35:31 81.19,-158.39 70.70 04/30/2023 18:34:48 81.20,-158.57 70.75 3.15 43
18 04/30/2023 19:26:17 -81.19, 8.86 109.31 04/30/2023 19:25:32 -81.19, 9.06 109.31 3.29 45
19 04/30/2023 20:17:02 81.19, 176.40 70.65 04/30/2023 20:16:17 81.19, 176.41 70.68 0.29 45
20 04/30/2023 21:07:48 -81.19, -16.35 109.36 04/30/2023 21:07:02 -81.19, -16.35 109.33 0.01 46
21 04/30/2023 21:58:33 81.19, 151.19 70.61 04/30/2023 21:57:47 81.19, 151.01 70.66 3.07 46
22 04/30/2023 22:49:19 -81.19, -41.56 109.40 04/30/2023 22:48:32 -81.19, -41.75 109.35 3.26 47
23 04/30/2023 23:40:05 81.19, 125.59 70.62 04/30/2023 23:39:17 81.19, 125.60 70.64 0.28 48
24 05/01/2023 00:30:51 -81.19, -67.16 109.39 05/01/2023 00:30:02 -81.19, -67.16 109.36 0.17 49
25 05/01/2023 01:21:36 81.19, 100.37 70.57 05/01/2023 01:20:47 81.19, 100.20 70.62 3.00 49
26 05/01/2023 02:12:22 -81.19, -92.37 109.44 05/01/2023 02:11:32 -81.19, -92.56 109.38 3.22 50
27 05/01/2023 03:03:08 81.19, 74.77 70.58 05/01/2023 03:02:17 81.19, 74.79 70.61 0.38 51
28 05/01/2023 03:53:54 -81.19,-117.97 109.43 05/01/2023 03:53:02 -81.19,-117.97 109.40 0.34 52
29 05/01/2023 04:44:39 81.19, 49.56 70.54 05/01/2023 04:43:47 81.19, 49.39 70.59 2.93 52
30 05/01/2023 05:35:25 -81.19,-143.18 109.47 05/01/2023 05:34:32 -81.19,-143.37 109.42 3.20 53
31 05/01/2023 06:26:11 81.19, 23.96 70.54 05/01/2023 06:25:17 81.19, 23.98 70.57 0.53 54
32 05/01/2023 07:16:57 -81.19,-168.78 109.46 05/01/2023 07:16:02 -81.19,-168.77 109.43 0.51 55
33 05/01/2023 08:07:42 81.19, -1.26 70.50 05/01/2023 08:06:47 81.19, -1.42 70.56 2.86 55
34 05/01/2023 08:58:28 -81.19, 166.00 109.51 05/01/2023 08:57:32 -81.19, 165.82 109.45 3.17 56
35 05/01/2023 09:49:14 81.19, -26.86 70.51 05/01/2023 09:48:17 81.19, -26.83 70.54 0.69 57
36 05/01/2023 10:39:59 -81.19, 140.79 109.55 05/01/2023 10:39:01 -81.19, 140.80 109.52 0.41 58
37 05/01/2023 11:30:45 81.19, -52.07 70.47 05/01/2023 11:29:47 81.19, -52.23 70.52 2.81 58
38 05/01/2023 12:21:31 -81.19, 115.19 109.54 05/01/2023 12:20:32 -81.20, 115.01 109.48 3.16 59
39 05/01/2023 13:12:16 81.19, -77.29 70.42 05/01/2023 13:11:16 81.19, -77.26 70.45 0.66 60
40 05/01/2023 14:03:02 -81.19, 89.98 109.59 05/01/2023 14:02:01 -81.19, 89.99 109.56 0.28 61
41 05/01/2023 14:53:48 81.19,-102.89 70.43 05/01/2023 14:52:47 81.20,-103.04 70.49 2.77 61
42 05/01/2023 15:44:33 -81.19, 64.77 109.63 05/01/2023 15:43:31 -81.19, 64.58 109.57 3.10 62
43 05/01/2023 16:35:19 81.19,-128.10 70.39 05/01/2023 16:34:16 81.19,-128.07 70.42 0.64 63
44 05/01/2023 17:26:05 -81.19, 39.17 109.62 05/01/2023 17:25:01 -81.19, 39.18 109.59 0.23 64
45 05/01/2023 18:16:50 81.19,-153.31 70.34 05/01/2023 18:15:46 81.19,-153.47 70.40 2.68 64
46 05/01/2023 19:07:36 -81.19, 13.95 109.67 05/01/2023 19:06:31 -81.19, 13.77 109.61 3.04 65
47 05/01/2023 19:58:22 81.19,-178.92 70.35 05/01/2023 19:57:16 81.19,-178.88 70.38 0.69 66
48 05/01/2023 20:49:08 -81.19, -11.65 109.66 05/01/2023 20:48:01 -81.19, -11.63 109.62 0.30 67
49 05/01/2023 21:39:53 81.19, 155.87 70.31 05/01/2023 21:38:46 81.19, 155.72 70.37 2.59 67
50 05/01/2023 22:30:39 -81.19, -36.86 109.70 05/01/2023 22:29:31 -81.19, -37.04 109.64 2.99 68
51 05/01/2023 23:21:25 81.19, 130.27 70.32 05/01/2023 23:20:16 81.19, 130.31 70.35 0.78 69
52 05/02/2023 00:12:11 -81.19, -62.46 109.70 05/02/2023 00:11:01 -81.19, -62.44 109.66 0.43 70
53 05/02/2023 01:02:56 81.19, 105.05 70.27 05/02/2023 01:01:46 81.19, 104.91 70.33 2.50 70
54 05/02/2023 01:53:42 -81.19, -87.67 109.74 05/02/2023 01:52:31 -81.19, -87.85 109.67 2.95 71
55 05/02/2023 02:44:28 81.19, 79.45 70.28 05/02/2023 02:43:16 81.19, 79.50 70.32 0.90 72
56 05/02/2023 03:35:14 -81.19,-113.27 109.73 05/02/2023 03:34:01 -81.19,-113.25 109.69 0.59 73
57 05/02/2023 04:25:59 81.19, 54.24 70.24 05/02/2023 04:24:46 81.19, 54.10 70.30 2.43 73
58 05/02/2023 05:16:44 -81.19,-138.49 109.77 05/02/2023 05:15:30 -81.19,-138.66 109.71 2.92 74
59 05/02/2023 06:07:30 81.19, 28.63 70.24 05/02/2023 06:06:15 81.19, 28.69 70.28 1.04 75

Figure of FY3D and NOAA-20 satellite orbits during SNOs since TLE Epoch: 4/30/2023
SNOs_Map_FY3D_NOAA-20_20230430.jpg

Download SNOs between FY3D and NOAA-20 since TLE EPOCH: 04/30/2023 in txt file.

Historial Predications of SNOs between FY3D and NOAA-20