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: 8/30/2025
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 | 00:19:53 | 73.37, 165.54 | 68.57 | 09/10/2025 | 00:21:00 | 73.29, 168.09 | 68.38 | 81.92 | 67 |
2 | 09/10/2025 | 01:10:35 | -73.26, -26.89 | 111.54 | 09/10/2025 | 01:11:43 | -73.23, -24.71 | 111.67 | 70.11 | 68 |
3 | 09/10/2025 | 02:01:17 | 73.07, 140.82 | 68.28 | 09/10/2025 | 02:02:27 | 73.01, 142.16 | 68.15 | 44.02 | 70 |
4 | 09/10/2025 | 02:51:59 | -72.96, -51.63 | 111.84 | 09/10/2025 | 02:53:11 | -72.91, -50.74 | 111.94 | 29.52 | 72 |
5 | 09/10/2025 | 03:42:41 | 72.78, 116.07 | 67.98 | 09/10/2025 | 03:43:54 | 72.74, 116.24 | 67.92 | 7.06 | 73 |
6 | 09/10/2025 | 04:33:24 | -72.72, -76.49 | 112.08 | 09/10/2025 | 04:34:36 | -72.73, -76.44 | 112.07 | 2.33 | 72 |
7 | 09/10/2025 | 05:24:10 | 72.73, 90.79 | 67.96 | 09/10/2025 | 05:25:16 | 72.72, 90.86 | 67.93 | 2.92 | 66 |
8 | 09/10/2025 | 06:14:54 | -72.72,-101.88 | 112.04 | 09/10/2025 | 06:15:58 | -72.71,-101.83 | 112.07 | 2.06 | 64 |
9 | 09/10/2025 | 07:05:39 | 72.69, 65.50 | 67.94 | 09/10/2025 | 07:06:38 | 72.70, 65.48 | 67.94 | 1.23 | 59 |
10 | 09/10/2025 | 07:56:23 | -72.68,-127.16 | 112.06 | 09/10/2025 | 07:57:20 | -72.69,-127.21 | 112.06 | 2.06 | 57 |
11 | 09/10/2025 | 08:47:09 | 72.70, 40.12 | 67.97 | 09/10/2025 | 08:48:00 | 72.68, 40.09 | 67.95 | 2.38 | 51 |
12 | 09/10/2025 | 09:37:53 | -72.69,-152.55 | 112.03 | 09/10/2025 | 09:38:42 | -72.67,-152.59 | 112.05 | 2.22 | 49 |
13 | 09/10/2025 | 10:28:39 | 72.70, 14.73 | 68.01 | 09/10/2025 | 10:29:21 | 72.71, 14.82 | 68.00 | 2.99 | 42 |
14 | 09/10/2025 | 11:19:23 | -72.70,-177.94 | 111.99 | 09/10/2025 | 11:20:03 | -72.70,-177.87 | 112.00 | 2.44 | 40 |
15 | 09/10/2025 | 12:10:08 | 72.66, -10.56 | 67.99 | 09/10/2025 | 12:10:43 | 72.69, -10.57 | 68.01 | 2.88 | 35 |
16 | 09/10/2025 | 13:00:52 | -72.70, 156.67 | 111.96 | 09/10/2025 | 13:01:24 | -72.68, 156.75 | 111.99 | 3.40 | 32 |
17 | 09/10/2025 | 13:51:37 | 72.67, -35.95 | 68.02 | 09/10/2025 | 13:52:04 | 72.67, -35.95 | 68.01 | 0.22 | 27 |
18 | 09/10/2025 | 14:42:21 | -72.66, 131.39 | 111.98 | 09/10/2025 | 14:42:46 | -72.66, 131.37 | 111.98 | 0.74 | 25 |
19 | 09/10/2025 | 15:33:07 | 72.68, -61.33 | 68.06 | 09/10/2025 | 15:33:26 | 72.65, -61.33 | 68.02 | 3.31 | 19 |
20 | 09/10/2025 | 16:23:51 | -72.67, 106.00 | 111.95 | 09/10/2025 | 16:24:08 | -72.64, 105.99 | 111.97 | 2.85 | 17 |
21 | 09/10/2025 | 17:14:36 | 72.63, -86.62 | 68.03 | 09/10/2025 | 17:14:48 | 72.62, -86.71 | 68.03 | 3.16 | 12 |
22 | 09/10/2025 | 18:05:21 | -72.67, 80.61 | 111.91 | 09/10/2025 | 18:05:29 | -72.67, 80.71 | 111.92 | 3.21 | 8 |
23 | 09/10/2025 | 18:56:06 | 72.64,-112.01 | 68.07 | 09/10/2025 | 18:56:09 | 72.65,-111.99 | 68.08 | 1.92 | 3 |
24 | 09/10/2025 | 19:46:50 | -72.63, 55.33 | 111.93 | 09/10/2025 | 19:46:51 | -72.65, 55.33 | 111.91 | 2.29 | 1 |
25 | 09/10/2025 | 20:37:36 | 72.65,-137.40 | 68.10 | 09/10/2025 | 20:37:31 | 72.63,-137.37 | 68.09 | 1.52 | 5 |
26 | 09/10/2025 | 21:28:20 | -72.64, 29.94 | 111.90 | 09/10/2025 | 21:28:13 | -72.63, 29.94 | 111.90 | 0.83 | 7 |
27 | 09/10/2025 | 22:19:05 | 72.60,-162.68 | 68.08 | 09/10/2025 | 22:18:53 | 72.61,-162.75 | 68.10 | 2.72 | 12 |
28 | 09/10/2025 | 23:09:49 | -72.59, 4.65 | 111.92 | 09/10/2025 | 23:09:35 | -72.61, 4.56 | 111.90 | 3.47 | 14 |
29 | 09/11/2025 | 00:00:35 | 72.61, 171.93 | 68.12 | 09/11/2025 | 00:00:15 | 72.59, 171.86 | 68.11 | 2.83 | 20 |
30 | 09/11/2025 | 00:51:19 | -72.60, -20.74 | 111.88 | 09/11/2025 | 00:50:57 | -72.59, -20.82 | 111.89 | 3.07 | 22 |
31 | 09/11/2025 | 01:42:05 | 72.62, 146.54 | 68.15 | 09/11/2025 | 01:41:36 | 72.62, 146.59 | 68.16 | 1.68 | 29 |
32 | 09/11/2025 | 02:32:49 | -72.61, -46.13 | 111.85 | 09/11/2025 | 02:32:18 | -72.62, -46.10 | 111.84 | 1.51 | 31 |
33 | 09/11/2025 | 03:23:35 | 72.62, 121.15 | 68.19 | 09/11/2025 | 03:22:58 | 72.60, 121.20 | 68.17 | 2.91 | 37 |
34 | 09/11/2025 | 04:14:19 | -72.61, -71.51 | 111.82 | 09/11/2025 | 04:13:40 | -72.60, -71.48 | 111.83 | 2.20 | 39 |
35 | 09/11/2025 | 05:05:04 | 72.58, 95.87 | 68.16 | 09/11/2025 | 05:04:20 | 72.58, 95.82 | 68.18 | 1.51 | 44 |
36 | 09/11/2025 | 05:55:48 | -72.57, -96.80 | 111.84 | 09/11/2025 | 05:55:02 | -72.58, -96.86 | 111.82 | 2.17 | 46 |
37 | 09/11/2025 | 06:46:34 | 72.59, 70.48 | 68.20 | 09/11/2025 | 06:45:42 | 72.56, 70.44 | 68.18 | 3.16 | 52 |
38 | 09/11/2025 | 07:37:18 | -72.58,-122.19 | 111.80 | 09/11/2025 | 07:36:24 | -72.56,-122.24 | 111.81 | 3.06 | 54 |
39 | 09/11/2025 | 08:28:04 | 72.59, 45.09 | 68.23 | 09/11/2025 | 08:27:03 | 72.59, 45.16 | 68.24 | 2.43 | 61 |
40 | 09/11/2025 | 09:18:48 | -72.59,-147.58 | 111.77 | 09/11/2025 | 09:17:45 | -72.59,-147.52 | 111.76 | 1.83 | 63 |
41 | 09/11/2025 | 10:09:33 | 72.55, 19.80 | 68.21 | 09/11/2025 | 10:08:25 | 72.57, 19.78 | 68.24 | 2.36 | 68 |
42 | 09/11/2025 | 11:00:17 | -72.54,-172.86 | 111.79 | 09/11/2025 | 10:59:07 | -72.57,-172.90 | 111.75 | 2.97 | 70 |
43 | 09/11/2025 | 11:51:02 | 72.51, -5.48 | 68.19 | 09/11/2025 | 11:49:48 | 72.50, -5.71 | 68.21 | 7.51 | 74 |
44 | 09/11/2025 | 12:41:45 | -72.45, 161.95 | 111.86 | 09/11/2025 | 12:40:31 | -72.44, 161.51 | 111.84 | 14.84 | 74 |
45 | 09/11/2025 | 13:32:26 | 72.21, -30.27 | 67.90 | 09/11/2025 | 13:31:15 | 72.22, -31.59 | 67.98 | 45.08 | 71 |
46 | 09/11/2025 | 14:23:09 | -72.15, 137.16 | 112.15 | 09/11/2025 | 14:21:58 | -72.17, 135.63 | 112.06 | 52.33 | 71 |
47 | 09/11/2025 | 15:13:50 | 71.91, -55.07 | 67.61 | 09/11/2025 | 15:12:43 | 71.89, -57.56 | 67.71 | 86.13 | 67 |
48 | 09/11/2025 | 16:04:33 | -71.85, 112.36 | 112.45 | 09/11/2025 | 16:03:26 | -71.84, 109.67 | 112.33 | 93.21 | 67 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 8/30/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 08/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C