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: 4/29/2021
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 05/09/2021 17:11:52 -81.22, 41.53 111.84 05/09/2021 17:10:36 -81.23, 41.61 111.81 1.24 76
2 05/09/2021 18:53:20 -81.22, 16.54 111.91 05/09/2021 18:52:05 -81.22, 16.56 111.87 0.43 75
3 05/09/2021 19:44:04 81.21,-175.91 68.05 05/09/2021 19:42:49 81.21,-175.88 68.09 0.53 75
4 05/09/2021 20:34:49 -81.22, -8.85 111.93 05/09/2021 20:33:35 -81.22, -8.87 111.88 0.37 74
5 05/09/2021 21:25:33 81.21, 158.71 68.03 05/09/2021 21:24:19 81.21, 158.69 68.08 0.25 74
6 05/09/2021 22:16:17 -81.21, -33.85 112.00 05/09/2021 22:15:04 -81.21, -33.92 111.95 1.10 73
7 05/09/2021 23:07:02 81.21, 133.32 68.02 05/09/2021 23:05:49 81.22, 133.26 68.07 1.01 73
8 05/09/2021 23:57:46 -81.21, -59.24 112.02 05/09/2021 23:56:34 -81.21, -59.34 111.96 1.84 72
9 05/10/2021 00:48:31 81.21, 107.93 68.00 05/10/2021 00:47:19 81.22, 107.83 68.06 1.78 72
10 05/10/2021 01:39:15 -81.21, -84.62 112.03 05/10/2021 01:38:04 -81.21, -84.77 111.97 2.59 71
11 05/10/2021 02:30:00 81.21, 82.55 67.98 05/10/2021 02:28:49 81.22, 82.40 68.05 2.54 71
12 05/10/2021 03:20:44 -81.22,-110.40 111.99 05/10/2021 03:19:33 -81.22,-110.20 111.98 3.25 71
13 05/10/2021 04:11:28 81.21, 57.16 67.97 05/10/2021 04:10:17 81.21, 57.35 67.98 3.31 71
14 05/10/2021 05:02:13 -81.22,-135.78 112.01 05/10/2021 05:01:03 -81.22,-135.63 111.99 2.50 70
15 05/10/2021 05:52:57 81.22, 31.78 67.95 05/10/2021 05:51:47 81.21, 31.92 67.97 2.54 70
16 05/10/2021 06:43:42 -81.22,-161.17 112.03 05/10/2021 06:42:33 -81.22,-161.06 112.00 1.75 69
17 05/10/2021 07:34:26 81.22, 6.39 67.94 05/10/2021 07:33:17 81.21, 6.49 67.96 1.77 69
18 05/10/2021 08:25:11 -81.22, 173.45 112.04 05/10/2021 08:24:03 -81.22, 173.51 112.01 1.01 68
19 05/10/2021 09:15:55 81.22, -19.00 67.92 05/10/2021 09:14:47 81.21, -18.94 67.95 1.01 68
20 05/10/2021 10:06:39 -81.21, 148.45 112.11 05/10/2021 10:05:32 -81.21, 148.46 112.08 0.29 67
21 05/10/2021 10:57:24 81.22, -44.38 67.90 05/10/2021 10:56:17 81.22, -44.37 67.94 0.24 67
22 05/10/2021 11:48:08 -81.21, 123.06 112.13 05/10/2021 11:47:02 -81.21, 123.03 112.09 0.52 66
23 05/10/2021 12:38:53 81.22, -69.77 67.89 05/10/2021 12:37:47 81.22, -69.80 67.93 0.53 66
24 05/10/2021 13:29:37 -81.21, 97.67 112.14 05/10/2021 13:28:32 -81.21, 97.60 112.10 1.26 65
25 05/10/2021 14:20:22 81.22, -95.15 67.87 05/10/2021 14:19:17 81.22, -95.23 67.92 1.30 65
26 05/10/2021 15:11:06 -81.21, 72.29 112.16 05/10/2021 15:10:02 -81.22, 72.17 112.11 2.01 64
27 05/10/2021 16:01:51 81.22,-120.54 67.86 05/10/2021 16:00:47 81.22,-120.66 67.91 2.06 64
28 05/10/2021 16:52:35 -81.21, 46.90 112.18 05/10/2021 16:51:32 -81.22, 46.74 112.12 2.76 63
29 05/10/2021 17:43:20 81.22,-145.93 67.84 05/10/2021 17:42:17 81.22,-146.09 67.90 2.83 63
30 05/10/2021 18:34:05 -81.22, 21.13 112.14 05/10/2021 18:33:02 -81.22, 21.31 112.13 3.08 63
31 05/10/2021 19:24:49 81.22,-171.31 67.82 05/10/2021 19:23:46 81.21,-171.14 67.83 3.02 63
32 05/10/2021 20:15:34 -81.22, -4.26 112.15 05/10/2021 20:14:32 -81.22, -4.12 112.14 2.33 62
33 05/10/2021 21:06:18 81.22, 163.30 67.81 05/10/2021 21:05:16 81.21, 163.43 67.82 2.25 62
34 05/10/2021 21:57:02 -81.22, -29.26 112.22 05/10/2021 21:56:01 -81.21, -29.17 112.20 1.58 61
35 05/10/2021 22:47:47 81.22, 137.92 67.79 05/10/2021 22:46:46 81.22, 138.00 67.81 1.48 61
36 05/10/2021 23:38:31 -81.22, -54.64 112.24 05/10/2021 23:37:31 -81.21, -54.60 112.21 0.83 60
37 05/11/2021 00:29:16 81.22, 112.53 67.78 05/11/2021 00:28:16 81.22, 112.57 67.80 0.72 60
38 05/11/2021 01:20:00 -81.22, -80.03 112.26 05/11/2021 01:19:01 -81.21, -80.03 112.22 0.14 59
39 05/11/2021 02:10:45 81.22, 87.14 67.76 05/11/2021 02:09:46 81.22, 87.14 67.80 0.05 59
40 05/11/2021 03:01:29 -81.22,-105.41 112.27 05/11/2021 03:00:31 -81.22,-105.45 112.23 0.69 58
41 05/11/2021 03:52:14 81.22, 61.76 67.75 05/11/2021 03:51:16 81.22, 61.71 67.79 0.82 58
42 05/11/2021 04:42:58 -81.22,-130.80 112.29 05/11/2021 04:42:01 -81.22,-130.89 112.24 1.44 57
43 05/11/2021 05:33:43 81.22, 36.37 67.73 05/11/2021 05:32:46 81.22, 36.28 67.78 1.59 57
44 05/11/2021 06:24:27 -81.22,-156.19 112.30 05/11/2021 06:23:31 -81.22,-156.32 112.25 2.19 56
45 05/11/2021 07:15:12 81.22, 10.98 67.71 05/11/2021 07:14:16 81.22, 10.85 67.77 2.36 56
46 05/11/2021 08:05:56 -81.22, 178.43 112.32 05/11/2021 08:05:01 -81.22, 178.25 112.26 2.94 55
47 05/11/2021 08:56:41 81.22, -14.40 67.70 05/11/2021 08:55:46 81.22, -14.58 67.76 3.13 55
48 05/11/2021 09:47:25 -81.22, 153.04 112.33 05/11/2021 09:46:30 -81.21, 153.21 112.33 2.90 55
49 05/11/2021 10:38:10 81.22, -39.79 67.68 05/11/2021 10:37:15 81.22, -39.63 67.69 2.73 55
50 05/11/2021 11:28:54 -81.22, 127.65 112.35 05/11/2021 11:28:00 -81.21, 127.78 112.34 2.15 54
51 05/11/2021 12:19:39 81.22, -65.17 67.67 05/11/2021 12:18:45 81.22, -65.06 67.68 1.96 54
52 05/11/2021 13:10:23 -81.22, 102.27 112.36 05/11/2021 13:09:30 -81.21, 102.35 112.35 1.40 53
53 05/11/2021 14:01:08 81.22, -90.56 67.65 05/11/2021 14:00:15 81.22, -90.49 67.67 1.19 53
54 05/11/2021 14:51:52 -81.22, 76.88 112.38 05/11/2021 14:51:00 -81.22, 76.92 112.36 0.65 52
55 05/11/2021 15:42:37 81.22,-115.95 67.64 05/11/2021 15:41:45 81.22,-115.92 67.66 0.42 52
56 05/11/2021 16:33:21 -81.22, 51.50 112.40 05/11/2021 16:32:30 -81.22, 51.49 112.37 0.15 51
57 05/11/2021 17:24:06 81.22,-141.33 67.62 05/11/2021 17:23:15 81.22,-141.35 67.65 0.35 51
58 05/11/2021 18:14:50 -81.22, 26.11 112.41 05/11/2021 18:14:00 -81.22, 26.06 112.38 0.87 50
59 05/11/2021 19:05:35 81.22,-166.72 67.61 05/11/2021 19:04:45 81.22,-166.78 67.64 1.12 50
60 05/11/2021 19:56:19 -81.22, 0.72 112.43 05/11/2021 19:55:30 -81.22, 0.63 112.39 1.63 49
61 05/11/2021 20:47:04 81.22, 167.89 67.59 05/11/2021 20:46:15 81.22, 167.78 67.63 1.89 49
62 05/11/2021 21:37:48 -81.22, -24.66 112.44 05/11/2021 21:37:00 -81.22, -24.80 112.39 2.38 48
63 05/11/2021 22:28:33 81.22, 142.51 67.57 05/11/2021 22:27:45 81.22, 142.35 67.62 2.66 48
64 05/11/2021 23:19:17 -81.22, -50.05 112.46 05/11/2021 23:18:30 -81.22, -50.23 112.40 3.13 47
65 05/12/2021 00:10:02 81.22, 117.12 67.56 05/12/2021 00:09:14 81.22, 117.31 67.56 3.19 48
66 05/12/2021 01:00:46 -81.22, -75.44 112.47 05/12/2021 00:59:59 -81.21, -75.28 112.47 2.71 47
67 05/12/2021 01:51:31 81.22, 91.74 67.54 05/12/2021 01:50:44 81.22, 91.88 67.55 2.42 47
68 05/12/2021 02:42:15 -81.22,-100.82 112.49 05/12/2021 02:41:29 -81.22,-100.71 112.48 1.95 46
69 05/12/2021 03:33:00 81.22, 66.35 67.53 05/12/2021 03:32:14 81.22, 66.45 67.54 1.65 46
70 05/12/2021 04:23:44 -81.22,-126.21 112.50 05/12/2021 04:22:59 -81.22,-126.14 112.49 1.20 45
71 05/12/2021 05:14:29 81.22, 40.96 67.51 05/12/2021 05:13:44 81.22, 41.01 67.53 0.88 45
72 05/12/2021 06:05:13 -81.22,-151.59 112.52 05/12/2021 06:04:29 -81.22,-151.57 112.50 0.45 44
73 05/12/2021 06:55:57 81.22, 15.58 67.50 05/12/2021 06:55:13 81.22, 15.58 67.52 0.12 44
74 05/12/2021 07:46:41 -81.22,-176.98 112.53 05/12/2021 07:45:58 -81.22,-177.00 112.51 0.32 43
75 05/12/2021 08:37:26 81.22, -9.81 67.48 05/12/2021 08:36:43 81.22, -9.85 67.51 0.66 43
76 05/12/2021 09:28:10 -81.22, 157.63 112.55 05/12/2021 09:27:28 -81.22, 157.57 112.52 1.07 42
77 05/12/2021 10:18:55 81.22, -35.20 67.47 05/12/2021 10:18:13 81.22, -35.28 67.50 1.43 42
78 05/12/2021 11:09:39 -81.22, 132.25 112.56 05/12/2021 11:08:58 -81.22, 132.14 112.53 1.82 41
79 05/12/2021 12:00:24 81.22, -60.58 67.45 05/12/2021 11:59:43 81.23, -60.71 67.49 2.20 41
80 05/12/2021 12:51:08 -81.22, 106.86 112.58 05/12/2021 12:50:28 -81.22, 106.71 112.53 2.58 40
81 05/12/2021 13:41:53 81.22, -85.97 67.44 05/12/2021 13:41:13 81.23, -86.14 67.49 2.97 40
82 05/12/2021 14:32:37 -81.22, 81.47 112.59 05/12/2021 14:31:57 -81.22, 81.66 112.60 3.26 40
83 05/12/2021 15:23:22 81.22,-111.36 67.42 05/12/2021 15:22:42 81.22,-111.19 67.42 2.89 40
84 05/12/2021 16:14:06 -81.22, 56.09 112.61 05/12/2021 16:13:27 -81.22, 56.23 112.61 2.50 39
85 05/12/2021 17:04:51 81.22,-136.74 67.41 05/12/2021 17:04:12 81.22,-136.62 67.41 2.12 39
86 05/12/2021 17:55:35 -81.22, 30.70 112.62 05/12/2021 17:54:57 -81.22, 30.80 112.62 1.75 38
87 05/12/2021 18:46:20 81.22,-162.13 67.39 05/12/2021 18:45:42 81.22,-162.05 67.40 1.35 38
88 05/12/2021 19:37:04 -81.22, 5.31 112.64 05/12/2021 19:36:27 -81.22, 5.37 112.63 0.99 37
89 05/12/2021 20:27:49 81.22, 172.49 67.38 05/12/2021 20:27:12 81.22, 172.52 67.39 0.58 37
90 05/12/2021 21:18:33 -81.22, -20.07 112.65 05/12/2021 21:17:57 -81.22, -20.06 112.64 0.24 36
91 05/12/2021 22:09:18 81.22, 147.10 67.36 05/12/2021 22:08:42 81.23, 147.09 67.38 0.21 36
92 05/12/2021 23:00:02 -81.22, -45.46 112.67 05/12/2021 22:59:27 -81.22, -45.49 112.65 0.52 35
93 05/12/2021 23:50:47 81.22, 121.71 67.35 05/12/2021 23:50:12 81.23, 121.66 67.38 0.97 35
94 05/13/2021 00:41:31 -81.22, -70.84 112.68 05/13/2021 00:40:57 -81.22, -70.92 112.65 1.28 34
95 05/13/2021 01:32:16 81.22, 96.33 67.33 05/13/2021 01:31:42 81.23, 96.23 67.37 1.74 34
96 05/13/2021 02:23:00 -81.22, -96.23 112.70 05/13/2021 02:22:27 -81.22, -96.35 112.66 2.03 33
97 05/13/2021 03:13:45 81.22, 70.94 67.32 05/13/2021 03:13:12 81.23, 70.79 67.36 2.51 33

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 4/29/2021
SNOs_Map_FY3D_NPP_20210429.jpg

Download SNOs between FY3D and NPP since TLE EPOCH: 04/29/2021 in txt file.

Historial Predications of SNOs between FY3D and NPP