Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-B Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/13/2025
Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Distance(km) | Time Diff (sec) |
1 | 06/23/2025 | 13:33:15 | 74.86, -36.41 | 51.86 | 06/23/2025 | 13:34:22 | 74.80, -33.67 | 51.60 | 79.93 | 67 |
2 | 06/23/2025 | 14:23:57 | -74.77, 131.14 | 128.25 | 06/23/2025 | 14:25:05 | -74.76, 133.54 | 128.44 | 70.07 | 68 |
3 | 06/23/2025 | 15:14:39 | 74.57, -61.00 | 51.53 | 06/23/2025 | 15:15:50 | 74.49, -59.83 | 51.35 | 35.97 | 71 |
4 | 06/23/2025 | 16:05:21 | -74.49, 106.54 | 128.57 | 06/23/2025 | 16:06:33 | -74.45, 107.39 | 128.69 | 25.72 | 72 |
5 | 06/23/2025 | 16:56:03 | 74.28, -85.62 | 51.20 | 06/23/2025 | 16:57:16 | 74.28, -85.70 | 51.18 | 2.66 | 73 |
6 | 06/23/2025 | 17:46:47 | -74.30, 81.67 | 128.79 | 06/23/2025 | 17:47:58 | -74.29, 81.64 | 128.82 | 1.05 | 71 |
7 | 06/23/2025 | 18:37:33 | 74.29,-111.00 | 51.20 | 06/23/2025 | 18:38:37 | 74.31,-110.96 | 51.21 | 3.39 | 64 |
8 | 06/23/2025 | 19:28:17 | -74.30, 56.28 | 128.79 | 06/23/2025 | 19:29:20 | -74.27, 56.27 | 128.83 | 2.79 | 63 |
9 | 06/23/2025 | 20:19:03 | 74.29,-136.38 | 51.21 | 06/23/2025 | 20:19:59 | 74.30,-136.33 | 51.20 | 1.86 | 56 |
10 | 06/23/2025 | 21:09:47 | -74.30, 30.90 | 128.78 | 06/23/2025 | 21:10:41 | -74.31, 31.01 | 128.80 | 3.46 | 54 |
11 | 06/23/2025 | 22:00:33 | 74.29,-161.76 | 51.21 | 06/23/2025 | 22:01:21 | 74.29,-161.71 | 51.19 | 1.74 | 48 |
12 | 06/23/2025 | 22:51:17 | -74.31, 5.52 | 128.78 | 06/23/2025 | 22:52:03 | -74.29, 5.64 | 128.81 | 3.70 | 46 |
13 | 06/23/2025 | 23:42:03 | 74.29, 172.85 | 51.22 | 06/23/2025 | 23:42:43 | 74.27, 172.91 | 51.18 | 3.19 | 40 |
14 | 06/24/2025 | 00:32:46 | -74.26, -19.74 | 128.83 | 06/24/2025 | 00:33:25 | -74.28, -19.74 | 128.82 | 2.38 | 39 |
15 | 06/24/2025 | 01:23:32 | 74.25, 147.60 | 51.17 | 06/24/2025 | 01:24:05 | 74.26, 147.53 | 51.17 | 2.05 | 33 |
16 | 06/24/2025 | 02:14:16 | -74.26, -45.12 | 128.82 | 06/24/2025 | 02:14:47 | -74.27, -45.12 | 128.83 | 0.46 | 31 |
17 | 06/24/2025 | 03:05:02 | 74.25, 122.21 | 51.17 | 06/24/2025 | 03:05:27 | 74.24, 122.16 | 51.16 | 2.05 | 25 |
18 | 06/24/2025 | 03:55:46 | -74.27, -70.50 | 128.82 | 06/24/2025 | 03:56:09 | -74.25, -70.49 | 128.84 | 1.49 | 23 |
19 | 06/24/2025 | 04:46:32 | 74.26, 96.83 | 51.18 | 06/24/2025 | 04:46:48 | 74.28, 96.90 | 51.19 | 3.25 | 16 |
20 | 06/24/2025 | 05:37:16 | -74.27, -95.89 | 128.81 | 06/24/2025 | 05:37:31 | -74.24, -95.87 | 128.85 | 3.42 | 15 |
21 | 06/24/2025 | 06:28:02 | 74.26, 71.45 | 51.18 | 06/24/2025 | 06:28:10 | 74.26, 71.53 | 51.18 | 2.38 | 8 |
22 | 06/24/2025 | 07:18:45 | -74.22,-121.14 | 128.86 | 06/24/2025 | 07:18:53 | -74.22,-121.25 | 128.86 | 3.19 | 8 |
23 | 06/24/2025 | 08:09:32 | 74.26, 46.07 | 51.19 | 06/24/2025 | 08:09:32 | 74.25, 46.15 | 51.17 | 2.91 | 0 |
24 | 06/24/2025 | 09:00:15 | -74.23,-146.53 | 128.86 | 06/24/2025 | 09:00:15 | -74.21,-146.63 | 128.87 | 3.54 | 0 |
25 | 06/24/2025 | 09:51:01 | 74.22, 20.81 | 51.14 | 06/24/2025 | 09:50:54 | 74.23, 20.77 | 51.16 | 2.30 | 7 |
26 | 06/24/2025 | 10:41:45 | -74.23,-171.91 | 128.85 | 06/24/2025 | 10:41:36 | -74.24,-171.88 | 128.84 | 1.91 | 9 |
27 | 06/24/2025 | 11:32:31 | 74.22, -4.58 | 51.14 | 06/24/2025 | 11:32:16 | 74.22, -4.61 | 51.15 | 0.93 | 15 |
28 | 06/24/2025 | 12:23:15 | -74.23, 162.71 | 128.85 | 06/24/2025 | 12:22:58 | -74.23, 162.74 | 128.85 | 1.01 | 17 |
29 | 06/24/2025 | 13:14:01 | 74.22, -29.96 | 51.15 | 06/24/2025 | 13:13:38 | 74.21, -29.98 | 51.14 | 2.04 | 23 |
30 | 06/24/2025 | 14:04:45 | -74.23, 137.33 | 128.84 | 06/24/2025 | 14:04:20 | -74.22, 137.37 | 128.86 | 2.43 | 25 |
31 | 06/24/2025 | 14:55:31 | 74.23, -55.34 | 51.15 | 06/24/2025 | 14:54:59 | 74.24, -55.24 | 51.17 | 3.52 | 32 |
32 | 06/24/2025 | 15:46:14 | -74.19, 112.07 | 128.89 | 06/24/2025 | 15:45:42 | -74.20, 111.99 | 128.87 | 2.78 | 32 |
33 | 06/24/2025 | 16:37:01 | 74.23, -80.72 | 51.16 | 06/24/2025 | 16:36:21 | 74.23, -80.61 | 51.16 | 3.29 | 40 |
34 | 06/24/2025 | 17:27:44 | -74.19, 86.69 | 128.89 | 06/24/2025 | 17:27:04 | -74.19, 86.61 | 128.87 | 2.34 | 40 |
35 | 06/24/2025 | 18:18:30 | 74.18,-105.98 | 51.11 | 06/24/2025 | 18:17:43 | 74.21,-105.99 | 51.15 | 3.21 | 47 |
36 | 06/24/2025 | 19:09:14 | -74.19, 61.30 | 128.88 | 06/24/2025 | 19:08:26 | -74.17, 61.24 | 128.88 | 3.27 | 48 |
37 | 06/24/2025 | 20:00:00 | 74.19,-131.36 | 51.11 | 06/24/2025 | 19:59:05 | 74.20,-131.37 | 51.14 | 1.25 | 55 |
38 | 06/24/2025 | 20:50:44 | -74.20, 35.92 | 128.88 | 06/24/2025 | 20:49:47 | -74.21, 35.98 | 128.85 | 2.04 | 57 |
39 | 06/24/2025 | 21:41:30 | 74.19,-156.75 | 51.12 | 06/24/2025 | 21:40:27 | 74.18,-156.75 | 51.13 | 0.72 | 63 |
40 | 06/24/2025 | 22:32:14 | -74.20, 10.54 | 128.87 | 06/24/2025 | 22:31:09 | -74.19, 10.60 | 128.86 | 2.12 | 65 |
41 | 06/24/2025 | 23:23:00 | 74.19, 177.87 | 51.13 | 06/24/2025 | 23:21:49 | 74.17, 177.88 | 51.12 | 2.69 | 71 |
42 | 06/25/2025 | 00:13:43 | -74.15, -14.72 | 128.92 | 06/25/2025 | 00:12:31 | -74.18, -14.77 | 128.87 | 3.08 | 72 |
43 | 06/25/2025 | 01:04:26 | 74.00, 152.98 | 50.91 | 06/25/2025 | 01:03:14 | 74.00, 152.14 | 50.99 | 25.74 | 72 |
44 | 06/25/2025 | 01:55:09 | -73.96, -39.61 | 129.14 | 06/25/2025 | 01:53:57 | -73.97, -40.63 | 129.04 | 31.17 | 72 |
45 | 06/25/2025 | 02:45:50 | 73.70, 128.31 | 50.58 | 06/25/2025 | 02:44:42 | 73.69, 126.06 | 50.74 | 70.31 | 68 |
46 | 06/25/2025 | 03:36:33 | -73.67, -64.29 | 129.46 | 06/25/2025 | 03:35:25 | -73.65, -66.70 | 129.29 | 75.57 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 6/13/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 06/13/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B