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: 9/8/2025
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 | 09/10/2025 | 00:19:52 | 73.35, 165.58 | 68.55 | 09/10/2025 | 00:20:59 | 73.29, 168.10 | 68.38 | 80.80 | 67 |
2 | 09/10/2025 | 01:10:34 | -73.25, -26.87 | 111.55 | 09/10/2025 | 01:11:43 | -73.18, -24.83 | 111.72 | 66.25 | 69 |
3 | 09/10/2025 | 02:01:16 | 73.06, 140.85 | 68.26 | 09/10/2025 | 02:02:27 | 72.97, 142.06 | 68.11 | 40.36 | 71 |
4 | 09/10/2025 | 02:51:58 | -72.95, -51.61 | 111.85 | 09/10/2025 | 02:53:10 | -72.90, -50.75 | 111.94 | 28.54 | 72 |
5 | 09/10/2025 | 03:42:40 | 72.76, 116.11 | 67.96 | 09/10/2025 | 03:43:53 | 72.75, 116.25 | 67.93 | 4.97 | 73 |
6 | 09/10/2025 | 04:33:23 | -72.71, -76.47 | 112.09 | 09/10/2025 | 04:34:35 | -72.73, -76.45 | 112.08 | 2.61 | 72 |
7 | 09/10/2025 | 05:24:09 | 72.72, 90.82 | 67.94 | 09/10/2025 | 05:25:15 | 72.72, 90.87 | 67.94 | 1.71 | 66 |
8 | 09/10/2025 | 06:14:53 | -72.72,-101.86 | 112.05 | 09/10/2025 | 06:15:57 | -72.71,-101.83 | 112.07 | 0.93 | 64 |
9 | 09/10/2025 | 07:05:39 | 72.72, 65.44 | 67.97 | 09/10/2025 | 07:06:37 | 72.70, 65.49 | 67.94 | 2.68 | 58 |
10 | 09/10/2025 | 07:56:22 | -72.67,-127.14 | 112.07 | 09/10/2025 | 07:57:19 | -72.69,-127.22 | 112.06 | 3.20 | 57 |
11 | 09/10/2025 | 08:47:08 | 72.68, 40.15 | 67.95 | 09/10/2025 | 08:47:59 | 72.68, 40.10 | 67.95 | 1.69 | 51 |
12 | 09/10/2025 | 09:37:52 | -72.68,-152.53 | 112.04 | 09/10/2025 | 09:38:41 | -72.67,-152.60 | 112.05 | 2.48 | 49 |
13 | 09/10/2025 | 10:28:38 | 72.69, 14.76 | 67.99 | 09/10/2025 | 10:29:21 | 72.66, 14.72 | 67.96 | 3.00 | 43 |
14 | 09/10/2025 | 11:19:22 | -72.69,-177.92 | 112.00 | 09/10/2025 | 11:20:02 | -72.70,-177.88 | 112.00 | 2.08 | 40 |
15 | 09/10/2025 | 12:10:08 | 72.69, -10.62 | 68.02 | 09/10/2025 | 12:10:42 | 72.69, -10.56 | 68.01 | 2.24 | 34 |
16 | 09/10/2025 | 13:00:52 | -72.69, 156.69 | 111.97 | 09/10/2025 | 13:01:24 | -72.68, 156.74 | 111.99 | 2.23 | 32 |
17 | 09/10/2025 | 13:51:37 | 72.65, -35.91 | 68.00 | 09/10/2025 | 13:52:04 | 72.67, -35.94 | 68.02 | 2.70 | 27 |
18 | 09/10/2025 | 14:42:21 | -72.65, 131.41 | 111.99 | 09/10/2025 | 14:42:46 | -72.66, 131.36 | 111.98 | 1.91 | 25 |
19 | 09/10/2025 | 15:33:07 | 72.66, -61.30 | 68.04 | 09/10/2025 | 15:33:26 | 72.65, -61.32 | 68.03 | 0.99 | 19 |
20 | 09/10/2025 | 16:23:51 | -72.66, 106.02 | 111.96 | 09/10/2025 | 16:24:08 | -72.64, 105.98 | 111.98 | 2.50 | 17 |
21 | 09/10/2025 | 17:14:37 | 72.66, -86.69 | 68.07 | 09/10/2025 | 17:14:47 | 72.68, -86.60 | 68.08 | 3.48 | 10 |
22 | 09/10/2025 | 18:05:21 | -72.66, 80.63 | 111.92 | 09/10/2025 | 18:05:29 | -72.67, 80.70 | 111.92 | 2.30 | 8 |
23 | 09/10/2025 | 18:56:07 | 72.67,-112.07 | 68.10 | 09/10/2025 | 18:56:09 | 72.66,-111.98 | 68.09 | 3.26 | 2 |
24 | 09/10/2025 | 19:46:50 | -72.62, 55.35 | 111.94 | 09/10/2025 | 19:46:51 | -72.65, 55.32 | 111.91 | 3.20 | 1 |
25 | 09/10/2025 | 20:37:36 | 72.63,-137.36 | 68.08 | 09/10/2025 | 20:37:31 | 72.64,-137.36 | 68.10 | 1.48 | 5 |
26 | 09/10/2025 | 21:28:20 | -72.63, 29.96 | 111.91 | 09/10/2025 | 21:28:13 | -72.63, 29.93 | 111.91 | 0.76 | 7 |
27 | 09/10/2025 | 22:19:06 | 72.63,-162.75 | 68.12 | 09/10/2025 | 22:18:53 | 72.62,-162.75 | 68.10 | 1.63 | 13 |
28 | 09/10/2025 | 23:09:50 | -72.63, 4.57 | 111.88 | 09/10/2025 | 23:09:35 | -72.61, 4.55 | 111.90 | 3.16 | 15 |
29 | 09/11/2025 | 00:00:35 | 72.59, 171.97 | 68.10 | 09/11/2025 | 00:00:15 | 72.60, 171.87 | 68.11 | 3.34 | 20 |
30 | 09/11/2025 | 00:51:20 | -72.64, -20.82 | 111.84 | 09/11/2025 | 00:50:56 | -72.64, -20.73 | 111.85 | 3.16 | 24 |
31 | 09/11/2025 | 01:42:05 | 72.60, 146.58 | 68.13 | 09/11/2025 | 01:41:36 | 72.63, 146.59 | 68.17 | 3.54 | 29 |
32 | 09/11/2025 | 02:32:49 | -72.60, -46.11 | 111.86 | 09/11/2025 | 02:32:18 | -72.61, -46.11 | 111.84 | 2.00 | 31 |
33 | 09/11/2025 | 03:23:35 | 72.60, 121.19 | 68.16 | 09/11/2025 | 03:22:58 | 72.61, 121.21 | 68.17 | 0.78 | 37 |
34 | 09/11/2025 | 04:14:19 | -72.60, -71.49 | 111.83 | 09/11/2025 | 04:13:40 | -72.59, -71.49 | 111.83 | 1.10 | 39 |
35 | 09/11/2025 | 05:05:05 | 72.61, 95.80 | 68.20 | 09/11/2025 | 05:04:20 | 72.59, 95.83 | 68.18 | 2.83 | 45 |
36 | 09/11/2025 | 05:55:48 | -72.56, -96.78 | 111.85 | 09/11/2025 | 05:55:02 | -72.57, -96.87 | 111.82 | 3.43 | 46 |
37 | 09/11/2025 | 06:46:34 | 72.57, 70.52 | 68.18 | 09/11/2025 | 06:45:42 | 72.57, 70.45 | 68.19 | 2.35 | 52 |
38 | 09/11/2025 | 07:37:18 | -72.57,-122.17 | 111.81 | 09/11/2025 | 07:36:24 | -72.55,-122.25 | 111.82 | 3.31 | 54 |
39 | 09/11/2025 | 08:28:04 | 72.57, 45.13 | 68.21 | 09/11/2025 | 08:27:03 | 72.60, 45.17 | 68.24 | 2.77 | 61 |
40 | 09/11/2025 | 09:18:48 | -72.57,-147.56 | 111.78 | 09/11/2025 | 09:17:45 | -72.58,-147.53 | 111.76 | 1.20 | 63 |
41 | 09/11/2025 | 10:09:34 | 72.58, 19.74 | 68.25 | 09/11/2025 | 10:08:25 | 72.57, 19.79 | 68.25 | 1.66 | 69 |
42 | 09/11/2025 | 11:00:18 | -72.58,-172.94 | 111.75 | 09/11/2025 | 10:59:07 | -72.56,-172.91 | 111.75 | 2.39 | 71 |
43 | 09/11/2025 | 11:51:02 | 72.49, -5.44 | 68.17 | 09/11/2025 | 11:49:48 | 72.50, -5.70 | 68.21 | 8.78 | 74 |
44 | 09/11/2025 | 12:41:45 | -72.44, 161.97 | 111.87 | 09/11/2025 | 12:40:31 | -72.44, 161.50 | 111.84 | 15.92 | 74 |
45 | 09/11/2025 | 13:32:26 | 72.19, -30.23 | 67.88 | 09/11/2025 | 13:31:15 | 72.23, -31.59 | 67.98 | 46.40 | 71 |
46 | 09/11/2025 | 14:23:09 | -72.14, 137.19 | 112.17 | 09/11/2025 | 14:21:59 | -72.11, 135.52 | 112.11 | 56.89 | 70 |
47 | 09/11/2025 | 15:13:50 | 71.89, -55.03 | 67.58 | 09/11/2025 | 15:12:43 | 71.90, -57.55 | 67.71 | 87.28 | 67 |
48 | 09/11/2025 | 16:04:33 | -71.84, 112.38 | 112.46 | 09/11/2025 | 16:03:26 | -71.83, 109.66 | 112.34 | 94.31 | 67 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 9/8/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 09/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C