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: 8/29/2025
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 | 73.38, 165.52 | 68.58 | 09/10/2025 | 00:21:00 | 73.28, 168.07 | 68.37 | 82.17 | 67 |
2 | 09/10/2025 | 01:10:35 | -73.26, -26.91 | 111.54 | 09/10/2025 | 01:11:43 | -73.22, -24.73 | 111.68 | 70.21 | 68 |
3 | 09/10/2025 | 02:01:16 | 73.03, 140.91 | 68.23 | 09/10/2025 | 02:02:27 | 73.01, 142.14 | 68.14 | 40.16 | 71 |
4 | 09/10/2025 | 02:51:59 | -72.97, -51.64 | 111.83 | 09/10/2025 | 02:53:11 | -72.90, -50.76 | 111.95 | 29.91 | 72 |
5 | 09/10/2025 | 03:42:41 | 72.79, 116.05 | 67.99 | 09/10/2025 | 03:43:54 | 72.73, 116.22 | 67.92 | 8.29 | 73 |
6 | 09/10/2025 | 04:33:24 | -72.72, -76.50 | 112.07 | 09/10/2025 | 04:34:36 | -72.73, -76.46 | 112.08 | 1.46 | 72 |
7 | 09/10/2025 | 05:24:09 | 72.69, 90.88 | 67.91 | 09/10/2025 | 05:25:16 | 72.71, 90.84 | 67.92 | 2.41 | 67 |
8 | 09/10/2025 | 06:14:54 | -72.73,-101.89 | 112.03 | 09/10/2025 | 06:15:58 | -72.71,-101.84 | 112.07 | 3.22 | 64 |
9 | 09/10/2025 | 07:05:39 | 72.70, 65.49 | 67.95 | 09/10/2025 | 07:06:38 | 72.69, 65.46 | 67.93 | 1.28 | 59 |
10 | 09/10/2025 | 07:56:23 | -72.69,-127.17 | 112.06 | 09/10/2025 | 07:57:20 | -72.69,-127.22 | 112.06 | 1.59 | 57 |
11 | 09/10/2025 | 08:47:09 | 72.71, 40.10 | 67.98 | 09/10/2025 | 08:47:59 | 72.72, 40.18 | 67.99 | 3.25 | 50 |
12 | 09/10/2025 | 09:37:53 | -72.69,-152.56 | 112.02 | 09/10/2025 | 09:38:41 | -72.72,-152.50 | 112.01 | 3.19 | 48 |
13 | 09/10/2025 | 10:28:39 | 72.71, 14.71 | 68.02 | 09/10/2025 | 10:29:21 | 72.70, 14.80 | 67.99 | 3.28 | 42 |
14 | 09/10/2025 | 11:19:23 | -72.70,-177.95 | 111.99 | 09/10/2025 | 11:20:03 | -72.70,-177.88 | 112.00 | 2.40 | 40 |
15 | 09/10/2025 | 12:10:08 | 72.67, -10.57 | 67.99 | 09/10/2025 | 12:10:43 | 72.68, -10.58 | 68.00 | 1.27 | 35 |
16 | 09/10/2025 | 13:00:52 | -72.66, 156.76 | 112.01 | 09/10/2025 | 13:01:25 | -72.68, 156.74 | 111.99 | 2.15 | 33 |
17 | 09/10/2025 | 13:51:38 | 72.68, -35.96 | 68.03 | 09/10/2025 | 13:52:05 | 72.66, -35.96 | 68.01 | 1.81 | 27 |
18 | 09/10/2025 | 14:42:22 | -72.66, 131.38 | 111.97 | 09/10/2025 | 14:42:47 | -72.65, 131.35 | 111.99 | 1.29 | 25 |
19 | 09/10/2025 | 15:33:07 | 72.63, -61.25 | 68.01 | 09/10/2025 | 15:33:27 | 72.64, -61.34 | 68.02 | 3.37 | 20 |
20 | 09/10/2025 | 16:23:52 | -72.67, 105.99 | 111.94 | 09/10/2025 | 16:24:08 | -72.69, 106.08 | 111.93 | 3.33 | 16 |
21 | 09/10/2025 | 17:14:37 | 72.64, -86.63 | 68.04 | 09/10/2025 | 17:14:48 | 72.67, -86.62 | 68.07 | 3.42 | 11 |
22 | 09/10/2025 | 18:05:22 | -72.68, 80.60 | 111.91 | 09/10/2025 | 18:05:30 | -72.66, 80.69 | 111.93 | 3.56 | 8 |
23 | 09/10/2025 | 18:56:07 | 72.65,-112.02 | 68.08 | 09/10/2025 | 18:56:10 | 72.65,-112.00 | 68.08 | 0.71 | 3 |
24 | 09/10/2025 | 19:46:51 | -72.63, 55.31 | 111.93 | 09/10/2025 | 19:46:52 | -72.64, 55.31 | 111.92 | 1.02 | 1 |
25 | 09/10/2025 | 20:37:37 | 72.65,-137.41 | 68.11 | 09/10/2025 | 20:37:32 | 72.63,-137.39 | 68.09 | 2.85 | 5 |
26 | 09/10/2025 | 21:28:21 | -72.64, 29.92 | 111.89 | 09/10/2025 | 21:28:14 | -72.62, 29.93 | 111.91 | 2.04 | 7 |
27 | 09/10/2025 | 22:19:06 | 72.61,-162.70 | 68.09 | 09/10/2025 | 22:18:54 | 72.61,-162.77 | 68.09 | 2.39 | 12 |
28 | 09/10/2025 | 23:09:50 | -72.60, 4.64 | 111.91 | 09/10/2025 | 23:09:36 | -72.60, 4.55 | 111.90 | 3.04 | 14 |
29 | 09/11/2025 | 00:00:36 | 72.62, 171.92 | 68.12 | 09/11/2025 | 00:00:15 | 72.64, 171.95 | 68.15 | 2.79 | 21 |
30 | 09/11/2025 | 00:51:20 | -72.61, -20.75 | 111.88 | 09/11/2025 | 00:50:57 | -72.63, -20.73 | 111.85 | 3.20 | 23 |
31 | 09/11/2025 | 01:42:06 | 72.62, 146.53 | 68.16 | 09/11/2025 | 01:41:37 | 72.62, 146.57 | 68.15 | 1.63 | 29 |
32 | 09/11/2025 | 02:32:50 | -72.61, -46.14 | 111.85 | 09/11/2025 | 02:32:19 | -72.61, -46.11 | 111.84 | 0.90 | 31 |
33 | 09/11/2025 | 03:23:35 | 72.58, 121.24 | 68.14 | 09/11/2025 | 03:22:59 | 72.60, 121.19 | 68.16 | 2.62 | 36 |
34 | 09/11/2025 | 04:14:20 | -72.62, -71.53 | 111.81 | 09/11/2025 | 04:13:41 | -72.59, -71.49 | 111.83 | 3.20 | 39 |
35 | 09/11/2025 | 05:05:05 | 72.59, 95.85 | 68.17 | 09/11/2025 | 05:04:21 | 72.58, 95.81 | 68.17 | 1.83 | 44 |
36 | 09/11/2025 | 05:55:49 | -72.58, -96.81 | 111.83 | 09/11/2025 | 05:55:03 | -72.57, -96.87 | 111.83 | 2.11 | 46 |
37 | 09/11/2025 | 06:46:35 | 72.59, 70.46 | 68.20 | 09/11/2025 | 06:45:42 | 72.61, 70.53 | 68.22 | 2.67 | 53 |
38 | 09/11/2025 | 07:37:19 | -72.58,-122.20 | 111.80 | 09/11/2025 | 07:36:24 | -72.60,-122.15 | 111.77 | 2.69 | 55 |
39 | 09/11/2025 | 08:28:05 | 72.60, 45.08 | 68.24 | 09/11/2025 | 08:27:04 | 72.59, 45.15 | 68.23 | 2.87 | 61 |
40 | 09/11/2025 | 09:18:49 | -72.59,-147.59 | 111.76 | 09/11/2025 | 09:17:46 | -72.58,-147.53 | 111.76 | 2.04 | 63 |
41 | 09/11/2025 | 10:09:33 | 72.56, 19.79 | 68.22 | 09/11/2025 | 10:08:25 | 72.56, 19.77 | 68.24 | 1.30 | 68 |
42 | 09/11/2025 | 11:00:17 | -72.55,-172.87 | 111.78 | 09/11/2025 | 10:59:07 | -72.56,-172.91 | 111.76 | 2.16 | 70 |
43 | 09/11/2025 | 11:51:02 | 72.51, -5.49 | 68.20 | 09/11/2025 | 11:49:48 | 72.49, -5.72 | 68.20 | 7.72 | 74 |
44 | 09/11/2025 | 12:41:45 | -72.45, 161.94 | 111.86 | 09/11/2025 | 12:40:31 | -72.44, 161.50 | 111.84 | 14.90 | 74 |
45 | 09/11/2025 | 13:32:26 | 72.21, -30.28 | 67.90 | 09/11/2025 | 13:31:15 | 72.22, -31.60 | 67.97 | 45.05 | 71 |
46 | 09/11/2025 | 14:23:09 | -72.15, 137.15 | 112.15 | 09/11/2025 | 14:21:58 | -72.16, 135.62 | 112.07 | 52.31 | 71 |
47 | 09/11/2025 | 15:13:50 | 71.91, -55.08 | 67.61 | 09/11/2025 | 15:12:43 | 71.89, -57.57 | 67.70 | 86.15 | 67 |
48 | 09/11/2025 | 16:04:33 | -71.85, 112.35 | 112.44 | 09/11/2025 | 16:03:26 | -71.83, 109.66 | 112.34 | 93.23 | 67 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 8/29/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 08/29/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C