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: 9/5/2025
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 | 73.34, 165.60 | 68.54 | 09/10/2025 | 00:20:59 | 73.30, 168.13 | 68.39 | 80.75 | 67 |
2 | 09/10/2025 | 01:10:34 | -73.24, -26.85 | 111.57 | 09/10/2025 | 01:11:43 | -73.19, -24.80 | 111.71 | 66.07 | 69 |
3 | 09/10/2025 | 02:01:16 | 73.05, 140.87 | 68.25 | 09/10/2025 | 02:02:27 | 72.98, 142.08 | 68.12 | 40.01 | 71 |
4 | 09/10/2025 | 02:51:58 | -72.94, -51.58 | 111.86 | 09/10/2025 | 02:53:10 | -72.92, -50.72 | 111.93 | 28.23 | 72 |
5 | 09/10/2025 | 03:42:40 | 72.75, 116.13 | 67.95 | 09/10/2025 | 03:43:53 | 72.75, 116.27 | 67.94 | 4.81 | 73 |
6 | 09/10/2025 | 04:33:23 | -72.70, -76.44 | 112.10 | 09/10/2025 | 04:34:36 | -72.69, -76.53 | 112.11 | 2.85 | 73 |
7 | 09/10/2025 | 05:24:09 | 72.71, 90.84 | 67.93 | 09/10/2025 | 05:25:16 | 72.68, 90.78 | 67.90 | 3.32 | 67 |
8 | 09/10/2025 | 06:14:53 | -72.70,-101.83 | 112.06 | 09/10/2025 | 06:15:57 | -72.72,-101.81 | 112.06 | 2.23 | 64 |
9 | 09/10/2025 | 07:05:39 | 72.71, 65.45 | 67.97 | 09/10/2025 | 07:06:37 | 72.71, 65.51 | 67.95 | 1.74 | 58 |
10 | 09/10/2025 | 07:56:23 | -72.71,-127.22 | 112.03 | 09/10/2025 | 07:57:19 | -72.70,-127.19 | 112.05 | 1.48 | 56 |
11 | 09/10/2025 | 08:47:08 | 72.67, 40.17 | 67.94 | 09/10/2025 | 08:47:59 | 72.69, 40.12 | 67.96 | 2.86 | 51 |
12 | 09/10/2025 | 09:37:52 | -72.67,-152.51 | 112.05 | 09/10/2025 | 09:38:41 | -72.68,-152.57 | 112.04 | 2.64 | 49 |
13 | 09/10/2025 | 10:28:38 | 72.68, 14.78 | 67.98 | 09/10/2025 | 10:29:21 | 72.67, 14.74 | 67.97 | 1.49 | 43 |
14 | 09/10/2025 | 11:19:22 | -72.67,-177.90 | 112.02 | 09/10/2025 | 11:20:03 | -72.66,-177.95 | 112.03 | 2.51 | 41 |
15 | 09/10/2025 | 12:10:08 | 72.68, -10.61 | 68.01 | 09/10/2025 | 12:10:42 | 72.70, -10.54 | 68.02 | 3.01 | 34 |
16 | 09/10/2025 | 13:00:52 | -72.68, 156.72 | 111.98 | 09/10/2025 | 13:01:24 | -72.69, 156.77 | 111.98 | 1.96 | 32 |
17 | 09/10/2025 | 13:51:38 | 72.69, -36.00 | 68.05 | 09/10/2025 | 13:52:04 | 72.68, -35.92 | 68.03 | 2.83 | 26 |
18 | 09/10/2025 | 14:42:22 | -72.69, 131.33 | 111.95 | 09/10/2025 | 14:42:46 | -72.67, 131.38 | 111.97 | 2.86 | 24 |
19 | 09/10/2025 | 15:33:07 | 72.65, -61.28 | 68.03 | 09/10/2025 | 15:33:26 | 72.66, -61.30 | 68.04 | 1.50 | 19 |
20 | 09/10/2025 | 16:23:51 | -72.65, 106.04 | 111.97 | 09/10/2025 | 16:24:08 | -72.65, 106.00 | 111.97 | 1.38 | 17 |
21 | 09/10/2025 | 17:14:37 | 72.66, -86.67 | 68.06 | 09/10/2025 | 17:14:48 | 72.64, -86.68 | 68.04 | 1.84 | 11 |
22 | 09/10/2025 | 18:05:21 | -72.65, 80.65 | 111.93 | 09/10/2025 | 18:05:30 | -72.63, 80.62 | 111.96 | 2.90 | 9 |
23 | 09/10/2025 | 18:56:07 | 72.66,-112.06 | 68.09 | 09/10/2025 | 18:56:09 | 72.67,-111.96 | 68.10 | 3.27 | 2 |
24 | 09/10/2025 | 19:46:51 | -72.66, 55.26 | 111.90 | 09/10/2025 | 19:46:51 | -72.66, 55.34 | 111.90 | 2.56 | 0 |
25 | 09/10/2025 | 20:37:36 | 72.62,-137.34 | 68.07 | 09/10/2025 | 20:37:31 | 72.65,-137.34 | 68.10 | 3.33 | 5 |
26 | 09/10/2025 | 21:28:20 | -72.62, 29.98 | 111.92 | 09/10/2025 | 21:28:13 | -72.64, 29.96 | 111.90 | 2.48 | 7 |
27 | 09/10/2025 | 22:19:06 | 72.63,-162.73 | 68.11 | 09/10/2025 | 22:18:53 | 72.63,-162.73 | 68.11 | 0.26 | 13 |
28 | 09/10/2025 | 23:09:50 | -72.62, 4.59 | 111.89 | 09/10/2025 | 23:09:35 | -72.62, 4.58 | 111.89 | 0.84 | 15 |
29 | 09/11/2025 | 00:00:36 | 72.63, 171.88 | 68.14 | 09/11/2025 | 00:00:15 | 72.61, 171.89 | 68.12 | 2.92 | 21 |
30 | 09/11/2025 | 00:51:20 | -72.63, -20.80 | 111.85 | 09/11/2025 | 00:50:56 | -72.65, -20.70 | 111.84 | 3.69 | 24 |
31 | 09/11/2025 | 01:42:05 | 72.59, 146.60 | 68.12 | 09/11/2025 | 01:41:37 | 72.59, 146.51 | 68.13 | 2.90 | 28 |
32 | 09/11/2025 | 02:32:50 | -72.64, -46.19 | 111.82 | 09/11/2025 | 02:32:18 | -72.63, -46.08 | 111.83 | 3.65 | 32 |
33 | 09/11/2025 | 03:23:35 | 72.60, 121.21 | 68.16 | 09/11/2025 | 03:22:58 | 72.62, 121.23 | 68.18 | 2.33 | 37 |
34 | 09/11/2025 | 04:14:19 | -72.59, -71.47 | 111.84 | 09/11/2025 | 04:13:40 | -72.60, -71.47 | 111.82 | 1.27 | 39 |
35 | 09/11/2025 | 05:05:05 | 72.60, 95.82 | 68.19 | 09/11/2025 | 05:04:20 | 72.59, 95.85 | 68.19 | 1.36 | 45 |
36 | 09/11/2025 | 05:55:49 | -72.60, -96.86 | 111.80 | 09/11/2025 | 05:55:02 | -72.58, -96.85 | 111.81 | 1.91 | 47 |
37 | 09/11/2025 | 06:46:34 | 72.56, 70.53 | 68.17 | 09/11/2025 | 06:45:42 | 72.57, 70.47 | 68.20 | 2.76 | 52 |
38 | 09/11/2025 | 07:37:18 | -72.56,-122.15 | 111.82 | 09/11/2025 | 07:36:24 | -72.56,-122.23 | 111.81 | 2.86 | 54 |
39 | 09/11/2025 | 08:28:04 | 72.57, 45.14 | 68.20 | 09/11/2025 | 08:27:04 | 72.55, 45.08 | 68.20 | 2.52 | 60 |
40 | 09/11/2025 | 09:18:48 | -72.56,-147.54 | 111.79 | 09/11/2025 | 09:17:45 | -72.59,-147.51 | 111.75 | 3.31 | 63 |
41 | 09/11/2025 | 10:09:34 | 72.57, 19.75 | 68.24 | 09/11/2025 | 10:08:25 | 72.58, 19.80 | 68.26 | 1.94 | 69 |
42 | 09/11/2025 | 11:00:18 | -72.57,-172.92 | 111.76 | 09/11/2025 | 10:59:07 | -72.57,-172.89 | 111.75 | 1.09 | 71 |
43 | 09/11/2025 | 11:51:02 | 72.48, -5.43 | 68.16 | 09/11/2025 | 11:49:48 | 72.51, -5.68 | 68.22 | 9.18 | 74 |
44 | 09/11/2025 | 12:41:45 | -72.43, 161.99 | 111.88 | 09/11/2025 | 12:40:31 | -72.45, 161.52 | 111.83 | 16.03 | 74 |
45 | 09/11/2025 | 13:32:26 | 72.18, -30.21 | 67.87 | 09/11/2025 | 13:31:16 | 72.18, -31.67 | 67.94 | 49.52 | 70 |
46 | 09/11/2025 | 14:23:09 | -72.13, 137.20 | 112.18 | 09/11/2025 | 14:21:59 | -72.12, 135.54 | 112.10 | 56.72 | 70 |
47 | 09/11/2025 | 15:13:49 | 71.88, -55.01 | 67.58 | 09/11/2025 | 15:12:42 | 71.90, -57.54 | 67.72 | 87.20 | 67 |
48 | 09/11/2025 | 16:04:32 | -71.83, 112.40 | 112.47 | 09/11/2025 | 16:03:25 | -71.84, 109.68 | 112.33 | 94.23 | 67 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 9/5/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 09/05/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C