Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/16/2023
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 09/16/2023 03:15:19 -81.18,-106.31 97.67 09/16/2023 03:15:05 -81.18,-106.42 97.64 1.95 14
2 09/16/2023 04:06:04 81.18, 61.08 82.34 09/16/2023 04:05:49 81.17, 61.21 82.33 2.21 15
3 09/16/2023 04:56:50 -81.18,-131.54 97.66 09/16/2023 04:56:34 -81.17,-131.48 97.66 1.26 16
4 09/16/2023 05:47:35 81.18, 35.84 82.35 09/16/2023 05:47:19 81.17, 35.77 82.37 1.33 16
5 09/16/2023 06:38:21 -81.18,-156.78 97.65 09/16/2023 06:38:04 -81.17,-156.92 97.63 2.31 17
6 09/16/2023 07:29:07 81.18, 10.22 82.41 09/16/2023 07:28:49 81.18, 10.33 82.40 1.86 18
7 09/16/2023 08:19:53 -81.18, 177.60 97.59 09/16/2023 08:19:34 -81.18, 177.65 97.59 0.85 19
8 09/16/2023 09:10:38 81.18, -15.02 82.42 09/16/2023 09:10:19 81.18, -15.11 82.44 1.60 19
9 09/16/2023 10:01:24 -81.18, 152.36 97.59 09/16/2023 10:01:04 -81.18, 152.21 97.55 2.60 20
10 09/16/2023 10:52:10 81.18, -40.64 82.47 09/16/2023 10:51:49 81.18, -40.55 82.47 1.62 21
11 09/16/2023 11:42:56 -81.18, 126.74 97.53 09/16/2023 11:42:34 -81.18, 126.77 97.52 0.66 22
12 09/16/2023 12:33:41 81.18, -65.88 82.48 09/16/2023 12:33:19 81.18, -65.99 82.51 1.98 22
13 09/16/2023 13:24:27 -81.18, 101.50 97.52 09/16/2023 13:24:04 -81.18, 101.33 97.48 2.96 23
14 09/16/2023 14:15:12 81.18, -91.12 82.49 09/16/2023 14:14:48 81.17, -91.05 82.49 1.25 24
15 09/16/2023 15:05:58 -81.18, 76.26 97.51 09/16/2023 15:05:33 -81.17, 76.27 97.50 0.49 25
16 09/16/2023 15:56:43 81.18,-116.35 82.50 09/16/2023 15:56:18 81.18,-116.49 82.53 2.31 25
17 09/16/2023 16:47:30 -81.18, 50.64 97.46 09/16/2023 16:47:03 -81.17, 50.83 97.47 3.27 27
18 09/16/2023 17:38:15 81.18,-141.98 82.55 09/16/2023 17:37:48 81.18,-141.93 82.56 0.87 27
19 09/16/2023 18:29:01 -81.18, 25.40 97.45 09/16/2023 18:28:33 -81.18, 25.39 97.43 0.19 28
20 09/16/2023 19:19:46 81.18,-167.22 82.56 09/16/2023 19:19:18 81.18,-167.37 82.60 2.59 28
21 09/16/2023 20:10:33 -81.18, -0.22 97.39 09/16/2023 20:10:03 -81.18, -0.04 97.40 2.97 30
22 09/16/2023 21:01:18 81.18, 167.16 82.62 09/16/2023 21:00:48 81.18, 167.19 82.63 0.72 30
23 09/16/2023 21:52:04 -81.18, -25.45 97.38 09/16/2023 21:51:33 -81.18, -25.48 97.36 0.62 31
24 09/16/2023 22:42:49 81.18, 141.92 82.63 09/16/2023 22:42:18 81.18, 141.75 82.67 2.94 31
25 09/16/2023 23:33:35 -81.18, -50.69 97.38 09/16/2023 23:33:02 -81.17, -50.54 97.38 2.62 33
26 09/17/2023 00:24:20 81.18, 116.69 82.63 09/17/2023 00:23:47 81.17, 116.70 82.65 0.45 33
27 09/17/2023 01:15:05 -81.18, -75.93 97.37 09/17/2023 01:14:31 -81.17, -75.98 97.35 1.02 34
28 09/17/2023 02:05:50 81.18, 91.45 82.64 09/17/2023 02:05:16 81.18, 91.26 82.68 3.29 34
29 09/17/2023 02:56:37 -81.18,-101.55 97.31 09/17/2023 02:56:01 -81.18,-101.42 97.31 2.25 36
30 09/17/2023 03:47:22 81.18, 65.82 82.70 09/17/2023 03:46:46 81.18, 65.82 82.72 0.11 36
31 09/17/2023 04:38:08 -81.18,-126.79 97.30 09/17/2023 04:37:31 -81.18,-126.86 97.27 1.21 37
32 09/17/2023 05:28:54 81.18, 40.20 82.76 09/17/2023 05:28:16 81.18, 40.38 82.76 3.06 38
33 09/17/2023 06:19:40 -81.18,-152.41 97.25 09/17/2023 06:19:01 -81.18,-152.30 97.24 1.94 39
34 09/17/2023 07:10:25 81.18, 14.96 82.76 09/17/2023 07:09:46 81.18, 14.94 82.79 0.61 39
35 09/17/2023 08:01:11 -81.18,-177.65 97.24 09/17/2023 08:00:31 -81.18,-177.74 97.20 1.57 40
36 09/17/2023 08:51:56 81.18, -10.28 82.77 09/17/2023 08:51:15 81.17, -10.12 82.77 2.71 41
37 09/17/2023 09:42:42 -81.18, 157.11 97.23 09/17/2023 09:42:00 -81.17, 157.20 97.22 1.64 42
38 09/17/2023 10:33:27 81.18, -35.52 82.78 09/17/2023 10:32:45 81.17, -35.56 82.81 0.89 42
39 09/17/2023 11:24:13 -81.18, 131.88 97.22 09/17/2023 11:23:30 -81.17, 131.76 97.19 1.98 43
40 09/17/2023 12:14:59 81.18, -61.14 82.84 09/17/2023 12:14:15 81.18, -61.00 82.84 2.36 44
41 09/17/2023 13:05:45 -81.18, 106.25 97.17 09/17/2023 13:05:00 -81.18, 106.32 97.15 1.22 45
42 09/17/2023 13:56:30 81.18, -86.38 82.85 09/17/2023 13:55:45 81.18, -86.44 82.88 1.10 45
43 09/17/2023 14:47:16 -81.18, 81.02 97.16 09/17/2023 14:46:30 -81.18, 80.89 97.12 2.24 46
44 09/17/2023 15:38:02 81.18,-112.00 82.90 09/17/2023 15:37:15 81.18,-111.88 82.91 2.09 47
45 09/17/2023 16:28:48 -81.18, 55.39 97.10 09/17/2023 16:28:00 -81.18, 55.45 97.08 0.93 48
46 09/17/2023 17:19:33 81.18,-137.24 82.91 09/17/2023 17:18:45 81.18,-137.32 82.95 1.47 48
47 09/17/2023 18:10:19 -81.18, 30.16 97.09 09/17/2023 18:09:30 -81.18, 30.01 97.04 2.58 49
48 09/17/2023 19:01:04 81.18,-162.48 82.92 09/17/2023 19:00:14 81.17,-162.38 82.93 1.75 50
49 09/17/2023 19:51:50 -81.18, 4.92 97.08 09/17/2023 19:50:59 -81.17, 4.95 97.06 0.78 51
50 09/17/2023 20:42:35 81.18, 172.28 82.93 09/17/2023 20:41:44 81.17, 172.18 82.97 1.82 51
51 09/17/2023 21:33:22 -81.18, -20.70 97.03 09/17/2023 21:32:30 -81.18, -20.87 96.97 2.97 52
52 09/17/2023 22:24:07 81.18, 146.66 82.99 09/17/2023 22:23:14 81.18, 146.74 83.00 1.38 53
53 09/17/2023 23:14:53 -81.18, -45.94 97.02 09/17/2023 23:13:59 -81.18, -45.93 96.99 0.26 54
54 09/18/2023 00:05:38 81.18, 121.42 82.99 09/18/2023 00:04:44 81.18, 121.30 83.04 2.08 54
55 09/18/2023 00:56:24 -81.18, -71.18 97.01 09/18/2023 00:55:29 -81.18, -71.37 96.96 3.26 55
56 09/18/2023 01:47:10 81.18, 95.79 83.05 09/18/2023 01:46:14 81.18, 95.86 83.07 1.14 56
57 09/18/2023 02:37:56 -81.18, -96.80 96.95 09/18/2023 02:36:59 -81.18, -96.81 96.92 0.28 57
58 09/18/2023 03:28:41 81.18, 70.56 83.06 09/18/2023 03:27:44 81.18, 70.42 83.11 2.42 57
59 09/18/2023 04:19:27 -81.18,-122.04 96.95 09/18/2023 04:18:28 -81.17,-121.87 96.94 3.01 59
60 09/18/2023 05:10:12 81.18, 45.32 83.07 09/18/2023 05:09:13 81.17, 45.36 83.09 0.85 59
61 09/18/2023 06:00:58 -81.18,-147.28 96.94 09/18/2023 05:59:58 -81.17,-147.31 96.90 0.79 60
62 09/18/2023 06:51:43 81.18, 20.08 83.08 09/18/2023 06:50:43 81.17, 19.92 83.13 2.78 60
63 09/18/2023 07:42:30 -81.18,-172.90 96.88 09/18/2023 07:41:28 -81.17,-172.75 96.87 2.63 62
64 09/18/2023 08:33:15 81.18, -5.55 83.13 09/18/2023 08:32:13 81.18, -5.52 83.16 0.40 62
65 09/18/2023 09:24:01 -81.18, 161.86 96.87 09/18/2023 09:22:58 -81.18, 161.81 96.83 0.85 63
66 09/18/2023 10:14:46 81.18, -30.78 83.14 09/18/2023 10:13:43 81.18, -30.96 83.20 3.06 63
67 09/18/2023 11:05:33 -81.18, 136.24 96.82 09/18/2023 11:04:28 -81.18, 136.37 96.80 2.31 65
68 09/18/2023 11:56:18 81.18, -56.41 83.20 09/18/2023 11:55:13 81.18, -56.40 83.23 0.39 65
69 09/18/2023 12:47:04 -81.18, 111.00 96.81 09/18/2023 12:45:58 -81.18, 110.93 96.76 1.17 66
70 09/18/2023 13:37:49 81.18, -81.65 83.21 09/18/2023 13:36:42 81.17, -81.46 83.21 3.23 67
71 09/18/2023 14:28:35 -81.18, 85.76 96.80 09/18/2023 14:27:27 -81.17, 85.87 96.78 2.04 68
72 09/18/2023 15:19:20 81.18,-106.89 83.21 09/18/2023 15:18:12 81.17,-106.90 83.25 0.54 68
73 09/18/2023 16:10:07 -81.18, 60.14 96.74 09/18/2023 16:08:58 -81.18, 60.05 96.69 1.60 69
74 09/18/2023 17:00:52 81.18,-132.51 83.27 09/18/2023 16:59:42 81.18,-132.34 83.29 2.89 70
75 09/18/2023 17:51:38 -81.18, 34.90 96.73 09/18/2023 17:50:27 -81.17, 34.99 96.71 1.63 71
76 09/18/2023 18:42:23 81.18,-157.75 83.28 09/18/2023 18:41:12 81.18,-157.79 83.32 0.58 71
77 09/18/2023 19:33:09 -81.18, 9.66 96.73 09/18/2023 19:31:57 -81.18, 9.55 96.67 1.85 72
78 09/18/2023 20:23:55 81.18, 176.62 83.34 09/18/2023 20:22:42 81.18, 176.77 83.36 2.60 73
79 09/18/2023 21:14:41 -81.18, -15.96 96.67 09/18/2023 21:13:27 -81.18, -15.89 96.64 1.30 74
80 09/18/2023 22:05:26 81.18, 151.38 83.35 09/18/2023 22:04:12 81.18, 151.33 83.39 0.96 74
81 09/18/2023 22:56:12 -81.18, -41.20 96.66 09/18/2023 22:54:57 -81.18, -41.33 96.60 2.17 75

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 9/16/2023
SNOs_Map_FY3D_NPP_20230916.jpg

Download SNOs between FY3D and NPP since TLE EPOCH: 09/16/2023 in txt file.

Historial Predications of SNOs between FY3D and NPP