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: 9/3/2025
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 | 73.36, 165.56 | 68.56 | 09/10/2025 | 00:20:59 | 73.28, 168.07 | 68.37 | 80.69 | 67 |
2 | 09/10/2025 | 01:10:34 | -73.25, -26.88 | 111.55 | 09/10/2025 | 01:11:43 | -73.17, -24.84 | 111.73 | 66.06 | 69 |
3 | 09/10/2025 | 02:01:16 | 73.06, 140.84 | 68.26 | 09/10/2025 | 02:02:26 | 73.00, 142.14 | 68.14 | 42.79 | 70 |
4 | 09/10/2025 | 02:51:58 | -72.96, -51.61 | 111.84 | 09/10/2025 | 02:53:10 | -72.89, -50.77 | 111.95 | 28.49 | 72 |
5 | 09/10/2025 | 03:42:40 | 72.77, 116.09 | 67.97 | 09/10/2025 | 03:43:53 | 72.73, 116.22 | 67.91 | 6.10 | 73 |
6 | 09/10/2025 | 04:33:23 | -72.71, -76.47 | 112.08 | 09/10/2025 | 04:34:35 | -72.72, -76.47 | 112.08 | 1.06 | 72 |
7 | 09/10/2025 | 05:24:09 | 72.73, 90.81 | 67.95 | 09/10/2025 | 05:25:15 | 72.71, 90.84 | 67.92 | 2.09 | 66 |
8 | 09/10/2025 | 06:14:53 | -72.72,-101.86 | 112.05 | 09/10/2025 | 06:15:57 | -72.70,-101.85 | 112.08 | 2.13 | 64 |
9 | 09/10/2025 | 07:05:38 | 72.68, 65.52 | 67.93 | 09/10/2025 | 07:06:37 | 72.69, 65.46 | 67.93 | 2.32 | 59 |
10 | 09/10/2025 | 07:56:22 | -72.68,-127.15 | 112.07 | 09/10/2025 | 07:57:19 | -72.68,-127.23 | 112.07 | 2.90 | 57 |
11 | 09/10/2025 | 08:47:08 | 72.69, 40.13 | 67.96 | 09/10/2025 | 08:47:59 | 72.67, 40.07 | 67.94 | 3.18 | 51 |
12 | 09/10/2025 | 09:37:52 | -72.68,-152.54 | 112.03 | 09/10/2025 | 09:38:40 | -72.71,-152.51 | 112.02 | 2.99 | 48 |
13 | 09/10/2025 | 10:28:38 | 72.70, 14.75 | 68.00 | 09/10/2025 | 10:29:20 | 72.70, 14.79 | 67.99 | 1.64 | 42 |
14 | 09/10/2025 | 11:19:22 | -72.69,-177.93 | 112.00 | 09/10/2025 | 11:20:02 | -72.69,-177.90 | 112.01 | 1.02 | 40 |
15 | 09/10/2025 | 12:10:07 | 72.65, -10.54 | 67.98 | 09/10/2025 | 12:10:42 | 72.68, -10.59 | 68.00 | 3.01 | 35 |
16 | 09/10/2025 | 13:00:51 | -72.65, 156.79 | 112.02 | 09/10/2025 | 13:01:24 | -72.67, 156.72 | 112.00 | 3.16 | 33 |
17 | 09/10/2025 | 13:51:37 | 72.66, -35.93 | 68.01 | 09/10/2025 | 13:52:04 | 72.65, -35.97 | 68.00 | 1.55 | 27 |
18 | 09/10/2025 | 14:42:21 | -72.65, 131.40 | 111.99 | 09/10/2025 | 14:42:46 | -72.65, 131.34 | 112.00 | 2.25 | 25 |
19 | 09/10/2025 | 15:33:07 | 72.67, -61.32 | 68.05 | 09/10/2025 | 15:33:25 | 72.68, -61.25 | 68.06 | 2.92 | 18 |
20 | 09/10/2025 | 16:23:51 | -72.66, 106.01 | 111.95 | 09/10/2025 | 16:24:07 | -72.68, 106.06 | 111.94 | 2.23 | 16 |
21 | 09/10/2025 | 17:14:37 | 72.67, -86.71 | 68.08 | 09/10/2025 | 17:14:47 | 72.66, -86.63 | 68.06 | 2.76 | 10 |
22 | 09/10/2025 | 18:05:21 | -72.67, 80.62 | 111.92 | 09/10/2025 | 18:05:29 | -72.65, 80.68 | 111.93 | 2.42 | 8 |
23 | 09/10/2025 | 18:56:06 | 72.63,-111.99 | 68.06 | 09/10/2025 | 18:56:09 | 72.64,-112.02 | 68.07 | 1.45 | 3 |
24 | 09/10/2025 | 19:46:50 | -72.63, 55.34 | 111.94 | 09/10/2025 | 19:46:51 | -72.63, 55.29 | 111.93 | 1.67 | 1 |
25 | 09/10/2025 | 20:37:36 | 72.64,-137.38 | 68.09 | 09/10/2025 | 20:37:31 | 72.62,-137.40 | 68.08 | 2.06 | 5 |
26 | 09/10/2025 | 21:28:20 | -72.63, 29.95 | 111.90 | 09/10/2025 | 21:28:13 | -72.61, 29.91 | 111.92 | 2.59 | 7 |
27 | 09/10/2025 | 22:19:06 | 72.65,-162.77 | 68.13 | 09/10/2025 | 22:18:52 | 72.65,-162.68 | 68.13 | 3.09 | 14 |
28 | 09/10/2025 | 23:09:50 | -72.64, 4.56 | 111.87 | 09/10/2025 | 23:09:34 | -72.64, 4.63 | 111.87 | 2.44 | 16 |
29 | 09/11/2025 | 00:00:35 | 72.60, 171.94 | 68.11 | 09/11/2025 | 00:00:14 | 72.63, 171.94 | 68.14 | 3.01 | 21 |
30 | 09/11/2025 | 00:51:19 | -72.60, -20.73 | 111.89 | 09/11/2025 | 00:50:56 | -72.62, -20.75 | 111.86 | 2.78 | 23 |
31 | 09/11/2025 | 01:42:05 | 72.61, 146.56 | 68.14 | 09/11/2025 | 01:41:36 | 72.61, 146.56 | 68.15 | 0.17 | 29 |
32 | 09/11/2025 | 02:32:49 | -72.60, -46.12 | 111.85 | 09/11/2025 | 02:32:18 | -72.60, -46.14 | 111.85 | 0.77 | 31 |
33 | 09/11/2025 | 03:23:35 | 72.62, 121.17 | 68.18 | 09/11/2025 | 03:22:58 | 72.59, 121.17 | 68.15 | 3.35 | 37 |
34 | 09/11/2025 | 04:14:19 | -72.61, -71.51 | 111.82 | 09/11/2025 | 04:13:39 | -72.63, -71.41 | 111.80 | 3.64 | 40 |
35 | 09/11/2025 | 05:05:04 | 72.57, 95.88 | 68.16 | 09/11/2025 | 05:04:20 | 72.56, 95.79 | 68.16 | 3.15 | 44 |
36 | 09/11/2025 | 05:55:49 | -72.62, -96.90 | 111.79 | 09/11/2025 | 05:55:01 | -72.61, -96.80 | 111.79 | 3.49 | 48 |
37 | 09/11/2025 | 06:46:34 | 72.58, 70.49 | 68.19 | 09/11/2025 | 06:45:41 | 72.59, 70.51 | 68.21 | 1.73 | 53 |
38 | 09/11/2025 | 07:37:18 | -72.57,-122.18 | 111.81 | 09/11/2025 | 07:36:23 | -72.59,-122.18 | 111.79 | 1.26 | 55 |
39 | 09/11/2025 | 08:28:04 | 72.59, 45.10 | 68.23 | 09/11/2025 | 08:27:03 | 72.57, 45.13 | 68.22 | 1.77 | 61 |
40 | 09/11/2025 | 09:18:48 | -72.58,-147.57 | 111.77 | 09/11/2025 | 09:17:45 | -72.57,-147.56 | 111.78 | 1.94 | 63 |
41 | 09/11/2025 | 10:09:33 | 72.54, 19.82 | 68.21 | 09/11/2025 | 10:08:25 | 72.55, 19.74 | 68.23 | 2.56 | 68 |
42 | 09/11/2025 | 11:00:17 | -72.54,-172.86 | 111.79 | 09/11/2025 | 10:59:07 | -72.54,-172.95 | 111.77 | 2.99 | 70 |
43 | 09/11/2025 | 11:51:02 | 72.50, -5.47 | 68.19 | 09/11/2025 | 11:49:48 | 72.48, -5.74 | 68.19 | 9.35 | 74 |
44 | 09/11/2025 | 12:41:44 | -72.39, 162.06 | 111.92 | 09/11/2025 | 12:40:31 | -72.42, 161.47 | 111.86 | 20.08 | 73 |
45 | 09/11/2025 | 13:32:26 | 72.20, -30.25 | 67.89 | 09/11/2025 | 13:31:15 | 72.20, -31.63 | 67.96 | 46.69 | 71 |
46 | 09/11/2025 | 14:23:09 | -72.15, 137.17 | 112.16 | 09/11/2025 | 14:21:58 | -72.14, 135.59 | 112.08 | 53.91 | 71 |
47 | 09/11/2025 | 15:13:50 | 71.90, -55.05 | 67.60 | 09/11/2025 | 15:12:43 | 71.87, -57.59 | 67.69 | 87.83 | 67 |
48 | 09/11/2025 | 16:04:32 | -71.80, 112.46 | 112.50 | 09/11/2025 | 16:03:26 | -71.81, 109.63 | 112.35 | 98.30 | 66 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 9/3/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 09/03/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C