Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and METOP-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/7/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (METOP-C) Time (METOP-C) Lat,Lon (METOP-C) SZA (METOP-C ) Distance(km) Time Diff (sec)
1 04/08/2025 07:11:38 73.48, 62.40 66.34 04/08/2025 07:12:44 73.44, 65.20 66.15 88.69 66
2 04/08/2025 08:02:20 -73.36,-130.00 113.82 04/08/2025 08:03:28 -73.34,-127.69 113.95 73.75 68
3 04/08/2025 08:53:02 73.19, 37.68 65.99 04/08/2025 08:54:12 73.11, 39.14 65.83 47.92 70
4 04/08/2025 09:43:44 -73.07,-154.74 114.16 04/08/2025 09:44:56 -73.02,-153.74 114.27 32.90 72
5 04/08/2025 10:34:26 72.90, 12.94 65.65 04/08/2025 10:35:39 72.83, 13.21 65.55 11.69 73
6 04/08/2025 11:25:08 -72.78,-179.49 114.51 04/08/2025 11:26:22 -72.79,-179.55 114.51 2.55 74
7 04/08/2025 12:15:54 72.81, -12.25 65.52 04/08/2025 12:17:01 72.81, -12.18 65.50 2.18 67
8 04/08/2025 13:06:38 -72.79, 155.11 114.52 04/08/2025 13:07:44 -72.77, 155.06 114.55 3.03 66
9 04/08/2025 13:57:23 72.77, -37.54 65.45 04/08/2025 13:58:23 72.78, -37.57 65.45 2.03 60
10 04/08/2025 14:48:08 -72.80, 129.72 114.54 04/08/2025 14:49:05 -72.79, 129.77 114.56 1.80 57
11 04/08/2025 15:38:53 72.78, -62.93 65.43 04/08/2025 15:39:45 72.76, -62.96 65.41 2.41 52
12 04/08/2025 16:29:37 -72.76, 104.43 114.61 04/08/2025 16:30:27 -72.77, 104.38 114.60 1.99 50
13 04/08/2025 17:20:23 72.79, -88.33 65.42 04/08/2025 17:21:06 72.79, -88.25 65.40 2.70 43
14 04/08/2025 18:11:07 -72.77, 79.03 114.62 04/08/2025 18:11:49 -72.74, 78.99 114.65 3.02 42
15 04/08/2025 19:01:52 72.75,-113.62 65.35 04/08/2025 19:02:28 72.76,-113.64 65.35 1.47 36
16 04/08/2025 19:52:37 -72.78, 53.64 114.64 04/08/2025 19:53:10 -72.77, 53.70 114.66 2.36 33
17 04/08/2025 20:43:22 72.76,-139.01 65.33 04/08/2025 20:43:50 72.74,-139.03 65.31 2.61 28
18 04/08/2025 21:34:06 -72.74, 28.35 114.71 04/08/2025 21:34:32 -72.75, 28.31 114.70 1.41 26
19 04/08/2025 22:24:52 72.77,-164.41 65.32 04/08/2025 22:25:11 72.76,-164.31 65.30 3.25 19
20 04/08/2025 23:15:36 -72.75, 2.95 114.72 04/08/2025 23:15:54 -72.72, 2.92 114.75 3.13 18
21 04/09/2025 00:06:21 72.73, 170.30 65.25 04/09/2025 00:06:33 72.74, 170.30 65.25 0.96 12
22 04/09/2025 00:57:06 -72.76, -22.44 114.74 04/09/2025 00:57:15 -72.75, -22.36 114.76 2.95 9
23 04/09/2025 01:47:51 72.74, 144.90 65.23 04/09/2025 01:47:55 72.71, 144.91 65.21 2.94 4
24 04/09/2025 02:38:35 -72.72, -47.73 114.81 04/09/2025 02:38:37 -72.72, -47.75 114.80 0.81 2
25 04/09/2025 03:29:20 72.70, 119.61 65.16 04/09/2025 03:29:17 72.69, 119.51 65.16 3.48 3
26 04/09/2025 04:20:05 -72.73, -73.13 114.82 04/09/2025 04:19:59 -72.70, -73.14 114.85 3.36 6
27 04/09/2025 05:10:50 72.71, 94.22 65.15 04/09/2025 05:10:38 72.72, 94.23 65.15 0.67 12
28 04/09/2025 06:01:35 -72.74, -98.53 114.84 04/09/2025 06:01:20 -72.72, -98.43 114.86 3.55 15
29 04/09/2025 06:52:20 72.72, 68.82 65.13 04/09/2025 06:52:00 72.69, 68.84 65.11 3.39 20
30 04/09/2025 07:43:04 -72.70,-123.82 114.91 04/09/2025 07:42:42 -72.70,-123.82 114.90 0.20 22
31 04/09/2025 08:33:48 72.68, 43.53 65.06 04/09/2025 08:33:21 72.67, 43.45 65.06 3.19 27
32 04/09/2025 09:24:33 -72.71,-149.21 114.93 04/09/2025 09:24:03 -72.67,-149.21 114.95 3.71 30
33 04/09/2025 10:15:18 72.69, 18.14 65.05 04/09/2025 10:14:42 72.69, 18.16 65.06 0.89 36
34 04/09/2025 11:06:02 -72.67,-174.50 115.00 04/09/2025 11:05:24 -72.70,-174.50 114.95 3.69 38
35 04/09/2025 11:56:47 72.65, -7.16 64.98 04/09/2025 11:56:04 72.67, -7.23 65.01 3.06 43
36 04/09/2025 12:47:32 -72.68, 160.10 115.01 04/09/2025 12:46:46 -72.68, 160.11 115.00 0.46 46
37 04/09/2025 13:38:17 72.66, -32.55 64.96 04/09/2025 13:37:26 72.64, -32.62 64.96 3.02 51
38 04/09/2025 14:29:01 -72.64, 134.81 115.08 04/09/2025 14:28:08 -72.65, 134.72 115.05 3.24 53
39 04/09/2025 15:19:47 72.67, -57.95 64.95 04/09/2025 15:18:47 72.67, -57.90 64.96 1.43 60
40 04/09/2025 16:10:31 -72.65, 109.42 115.10 04/09/2025 16:09:29 -72.68, 109.44 115.05 3.37 62
41 04/09/2025 17:01:16 72.63, -83.24 64.88 04/09/2025 17:00:09 72.64, -83.29 64.91 2.37 67
42 04/09/2025 17:52:01 -72.66, 84.02 115.11 04/09/2025 17:50:51 -72.65, 84.05 115.10 1.12 70
43 04/09/2025 18:42:45 72.59,-108.53 64.81 04/09/2025 18:41:31 72.62,-108.68 64.86 6.05 74
44 04/09/2025 19:33:29 -72.57, 58.83 115.24 04/09/2025 19:32:15 -72.53, 58.45 115.24 13.41 74
45 04/09/2025 20:24:09 72.29,-133.31 64.46 04/09/2025 20:22:58 72.34,-134.58 64.58 43.18 71
46 04/09/2025 21:14:53 -72.27, 34.04 115.58 04/09/2025 21:13:42 -72.25, 32.56 115.52 50.31 71
47 04/09/2025 22:05:33 72.00,-158.12 64.12 04/09/2025 22:04:26 72.00,-160.56 64.26 84.13 67
48 04/09/2025 22:56:16 -71.93, 9.34 115.98 04/09/2025 22:55:09 -71.97, 6.69 115.79 91.40 67

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 4/7/2025
SNOs_Map_NOAA-21_METOP-C_20250407.jpg

Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 04/07/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and METOP-C