Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and FY3D Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/2/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Distance(km) Time Diff (sec)
1 07/02/2023 02:22:00 81.18, 85.88 62.69 07/02/2023 02:22:31 81.18, 85.83 62.68 0.94 31
2 07/02/2023 03:12:45 -81.18,-106.81 117.31 07/02/2023 03:13:17 -81.18,-106.97 117.30 2.89 32
3 07/02/2023 04:03:30 81.19, 60.45 62.71 07/02/2023 04:04:02 81.18, 60.63 62.66 3.06 32
4 07/02/2023 04:54:15 -81.19,-132.23 117.30 07/02/2023 04:54:48 -81.18,-132.17 117.32 1.11 33
5 07/02/2023 05:45:00 81.19, 35.03 62.72 07/02/2023 05:45:34 81.18, 35.05 62.70 0.63 34
6 07/02/2023 06:35:44 -81.18,-157.28 117.34 07/02/2023 06:36:19 -81.18,-157.37 117.34 1.64 35
7 07/02/2023 07:26:29 81.18, 9.98 62.68 07/02/2023 07:27:05 81.18, 9.86 62.68 2.19 36
8 07/02/2023 08:17:15 -81.19, 176.91 117.27 07/02/2023 08:17:51 -81.18, 177.05 117.31 2.46 36
9 07/02/2023 09:07:59 81.18, -15.45 62.69 07/02/2023 09:08:36 81.18, -15.34 62.66 1.92 37
10 07/02/2023 09:58:44 -81.18, 151.87 117.31 07/02/2023 09:59:22 -81.18, 151.86 117.33 0.43 38
11 07/02/2023 10:49:29 81.18, -40.88 62.70 07/02/2023 10:50:08 81.18, -40.92 62.69 0.79 39
12 07/02/2023 11:40:14 -81.18, 126.44 117.30 07/02/2023 11:40:54 -81.18, 126.28 117.30 2.80 40
13 07/02/2023 12:30:59 81.18, -66.30 62.72 07/02/2023 12:31:39 81.18, -66.11 62.67 3.22 40
14 07/02/2023 13:21:44 -81.18, 101.01 117.29 07/02/2023 13:22:25 -81.18, 101.08 117.32 1.17 41
15 07/02/2023 14:12:29 81.18, -91.73 62.73 07/02/2023 14:13:11 81.18, -91.70 62.70 0.60 42
16 07/02/2023 15:03:14 -81.18, 75.58 117.27 07/02/2023 15:03:57 -81.18, 75.50 117.28 1.48 43
17 07/02/2023 15:53:59 81.19,-117.16 62.74 07/02/2023 15:54:43 81.18,-117.28 62.73 2.06 44
18 07/02/2023 16:44:44 -81.19, 50.16 117.26 07/02/2023 16:45:28 -81.18, 50.30 117.30 2.49 44
19 07/02/2023 17:35:29 81.19,-142.59 62.76 07/02/2023 17:36:14 81.18,-142.47 62.72 1.99 45
20 07/02/2023 18:26:14 -81.19, 24.73 117.24 07/02/2023 18:27:00 -81.18, 24.72 117.27 0.45 46
21 07/02/2023 19:16:58 81.18,-167.63 62.72 07/02/2023 19:17:45 81.18,-167.67 62.70 0.83 47
22 07/02/2023 20:07:43 -81.18, -0.32 117.29 07/02/2023 20:08:31 -81.18, -0.47 117.29 2.75 48
23 07/02/2023 20:58:28 81.18, 166.94 62.73 07/02/2023 20:59:17 81.18, 166.75 62.73 3.25 49
24 07/02/2023 21:49:13 -81.18, -25.74 117.27 07/02/2023 21:50:02 -81.18, -25.67 117.31 1.34 49
25 07/02/2023 22:39:58 81.18, 141.51 62.74 07/02/2023 22:40:48 81.18, 141.55 62.71 0.81 50
26 07/02/2023 23:30:43 -81.18, -51.17 117.26 07/02/2023 23:31:34 -81.18, -51.25 117.28 1.40 51
27 07/03/2023 00:21:28 81.18, 116.08 62.76 07/03/2023 00:22:20 81.18, 115.97 62.74 1.87 52
28 07/03/2023 01:12:13 -81.18, -76.60 117.25 07/03/2023 01:13:05 -81.18, -76.45 117.30 2.58 52
29 07/03/2023 02:02:58 81.18, 90.65 62.77 07/03/2023 02:03:51 81.18, 90.78 62.72 2.12 53
30 07/03/2023 02:53:43 -81.18,-102.03 117.23 07/03/2023 02:54:37 -81.18,-102.03 117.26 0.08 54
31 07/03/2023 03:44:28 81.19, 65.22 62.78 07/03/2023 03:45:23 81.18, 65.19 62.76 0.58 55
32 07/03/2023 04:35:13 -81.19,-127.45 117.22 07/03/2023 04:36:09 -81.18,-127.61 117.23 2.71 56
33 07/03/2023 05:25:57 81.18, 40.18 62.74 07/03/2023 05:26:54 81.18, 40.00 62.74 3.14 57
34 07/03/2023 06:16:43 -81.19,-152.88 117.20 07/03/2023 06:17:40 -81.18,-152.81 117.25 1.32 57
35 07/03/2023 07:07:28 81.19, 14.37 62.81 07/03/2023 07:08:26 81.18, 14.42 62.77 1.03 58
36 07/03/2023 07:58:12 -81.18,-177.93 117.25 07/03/2023 07:59:11 -81.18,-178.00 117.27 1.42 59
37 07/03/2023 08:48:57 81.18, -10.68 62.77 07/03/2023 08:49:57 81.18, -10.78 62.75 1.75 60
38 07/03/2023 09:39:43 -81.19, 156.26 117.18 07/03/2023 09:40:43 -81.18, 156.41 117.23 2.67 60
39 07/03/2023 10:30:27 81.18, -36.11 62.78 07/03/2023 10:31:28 81.18, -35.97 62.73 2.31 61
40 07/03/2023 11:21:12 -81.18, 131.22 117.22 07/03/2023 11:22:14 -81.18, 131.22 117.25 0.31 62
41 07/03/2023 12:11:57 81.18, -61.54 62.80 07/03/2023 12:13:00 81.18, -61.56 62.77 0.35 63
42 07/03/2023 13:02:42 -81.18, 105.79 117.21 07/03/2023 13:03:46 -81.18, 105.64 117.22 2.60 64
43 07/03/2023 13:53:27 81.18, -86.96 62.81 07/03/2023 13:54:32 81.18, -87.14 62.80 2.97 65
44 07/03/2023 14:44:12 -81.18, 80.36 117.19 07/03/2023 14:45:17 -81.18, 80.44 117.24 1.36 65
45 07/03/2023 15:34:57 81.19,-112.39 62.83 07/03/2023 15:36:03 81.18,-112.33 62.78 1.04 66
46 07/03/2023 16:25:42 -81.19, 54.93 117.18 07/03/2023 16:26:49 -81.18, 54.86 117.21 1.30 67
47 07/03/2023 17:16:27 81.19,-137.82 62.84 07/03/2023 17:17:35 81.18,-137.92 62.81 1.67 68
48 07/03/2023 18:07:12 -81.19, 29.51 117.16 07/03/2023 18:08:20 -81.18, 29.66 117.23 2.70 68
49 07/03/2023 18:57:57 81.19,-163.25 62.86 07/03/2023 18:59:06 81.18,-163.11 62.79 2.43 69
50 07/03/2023 19:48:42 -81.19, 4.08 117.15 07/03/2023 19:49:52 -81.18, 4.08 117.19 0.53 70
51 07/03/2023 20:39:26 81.18, 171.70 62.81 07/03/2023 20:40:37 81.18, 171.69 62.78 0.47 71
52 07/03/2023 21:30:11 -81.18, -20.97 117.19 07/03/2023 21:31:23 -81.18, -21.12 117.21 2.54 72
53 07/03/2023 22:20:56 81.18, 146.27 62.83 07/03/2023 22:22:09 81.18, 146.11 62.81 2.81 73
54 07/03/2023 23:11:41 -81.18, -46.40 117.18 07/03/2023 23:12:54 -81.18, -46.31 117.23 1.50 73
55 07/04/2023 00:02:26 81.18, 120.85 62.84 07/04/2023 00:03:40 81.18, 120.92 62.79 1.19 74
56 07/04/2023 00:53:11 -81.18, -71.82 117.16 07/04/2023 00:54:26 -81.18, -71.89 117.20 1.19 75

Figure of NOAA-21 and FY3D satellite orbits during SNOs since TLE Epoch: 7/2/2023
SNOs_Map_NOAA-21_FY3D_20230702.jpg

Download SNOs between NOAA-21 and FY3D since TLE EPOCH: 07/02/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and FY3D