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: 5/2/2025
| 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 | 05/03/2025 | 06:52:49 | -74.79,-116.09 | 120.70 | 05/03/2025 | 06:53:55 | -74.75,-112.96 | 120.91 | 91.36 | 66 |
| 2 | 05/03/2025 | 07:43:31 | 74.61, 51.70 | 59.10 | 05/03/2025 | 07:44:39 | 74.55, 53.84 | 58.91 | 63.54 | 68 |
| 3 | 05/03/2025 | 08:34:13 | -74.50,-140.68 | 121.04 | 05/03/2025 | 08:35:23 | -74.44,-139.12 | 121.21 | 46.93 | 70 |
| 4 | 05/03/2025 | 09:24:54 | 74.27, 27.22 | 58.69 | 05/03/2025 | 09:26:07 | 74.23, 27.70 | 58.61 | 14.94 | 73 |
| 5 | 05/03/2025 | 10:15:36 | -74.16,-165.18 | 121.45 | 05/03/2025 | 10:16:50 | -74.17,-165.13 | 121.45 | 2.39 | 74 |
| 6 | 05/03/2025 | 11:06:22 | 74.17, 2.09 | 58.56 | 05/03/2025 | 11:07:30 | 74.17, 2.18 | 58.53 | 2.92 | 68 |
| 7 | 05/03/2025 | 11:57:06 | -74.16, 169.45 | 121.47 | 05/03/2025 | 11:58:12 | -74.16, 169.48 | 121.49 | 1.25 | 66 |
| 8 | 05/03/2025 | 12:47:51 | 74.12, -23.16 | 58.49 | 05/03/2025 | 12:48:52 | 74.15, -23.20 | 58.50 | 2.76 | 61 |
| 9 | 05/03/2025 | 13:38:36 | -74.16, 144.07 | 121.49 | 05/03/2025 | 13:39:34 | -74.14, 144.10 | 121.53 | 2.68 | 58 |
| 10 | 05/03/2025 | 14:29:21 | 74.13, -48.54 | 58.47 | 05/03/2025 | 14:30:14 | 74.13, -48.59 | 58.46 | 1.73 | 53 |
| 11 | 05/03/2025 | 15:20:05 | -74.11, 118.82 | 121.56 | 05/03/2025 | 15:20:56 | -74.12, 118.71 | 121.56 | 3.34 | 51 |
| 12 | 05/03/2025 | 16:10:51 | 74.13, -73.91 | 58.45 | 05/03/2025 | 16:11:36 | 74.11, -73.98 | 58.42 | 2.90 | 45 |
| 13 | 05/03/2025 | 17:01:35 | -74.11, 93.44 | 121.58 | 05/03/2025 | 17:02:18 | -74.10, 93.32 | 121.60 | 3.91 | 43 |
| 14 | 05/03/2025 | 17:52:21 | 74.13, -99.29 | 58.43 | 05/03/2025 | 17:52:57 | 74.14, -99.25 | 58.43 | 1.78 | 36 |
| 15 | 05/03/2025 | 18:43:05 | -74.11, 68.06 | 121.60 | 05/03/2025 | 18:43:39 | -74.13, 68.05 | 121.60 | 1.87 | 34 |
| 16 | 05/03/2025 | 19:33:51 | 74.13,-124.66 | 58.41 | 05/03/2025 | 19:34:19 | 74.12,-124.64 | 58.39 | 1.22 | 28 |
| 17 | 05/03/2025 | 20:24:35 | -74.11, 42.69 | 121.62 | 05/03/2025 | 20:25:01 | -74.11, 42.67 | 121.63 | 0.76 | 26 |
| 18 | 05/03/2025 | 21:15:21 | 74.13,-150.04 | 58.39 | 05/03/2025 | 21:15:41 | 74.10,-150.02 | 58.35 | 3.14 | 20 |
| 19 | 05/03/2025 | 22:06:05 | -74.11, 17.31 | 121.64 | 05/03/2025 | 22:06:23 | -74.09, 17.28 | 121.67 | 2.73 | 18 |
| 20 | 05/03/2025 | 22:56:50 | 74.08,-175.29 | 58.31 | 05/03/2025 | 22:57:03 | 74.08,-175.41 | 58.32 | 3.67 | 13 |
| 21 | 05/03/2025 | 23:47:35 | -74.11, -8.06 | 121.66 | 05/03/2025 | 23:47:44 | -74.12, -7.99 | 121.66 | 2.39 | 9 |
| 22 | 05/04/2025 | 00:38:20 | 74.08, 159.33 | 58.29 | 05/04/2025 | 00:38:24 | 74.11, 159.32 | 58.32 | 3.48 | 4 |
| 23 | 05/04/2025 | 01:29:05 | -74.11, -33.44 | 121.68 | 05/04/2025 | 01:29:06 | -74.10, -33.38 | 121.70 | 2.37 | 1 |
| 24 | 05/04/2025 | 02:19:50 | 74.08, 133.96 | 58.27 | 05/04/2025 | 02:19:46 | 74.09, 133.93 | 58.28 | 1.45 | 4 |
| 25 | 05/04/2025 | 03:10:34 | -74.06, -58.69 | 121.76 | 05/04/2025 | 03:10:28 | -74.08, -58.76 | 121.74 | 2.85 | 6 |
| 26 | 05/04/2025 | 04:01:20 | 74.08, 108.58 | 58.25 | 05/04/2025 | 04:01:08 | 74.07, 108.54 | 58.25 | 1.48 | 12 |
| 27 | 05/04/2025 | 04:52:04 | -74.07, -84.07 | 121.78 | 05/04/2025 | 04:51:50 | -74.06, -84.15 | 121.77 | 2.56 | 14 |
| 28 | 05/04/2025 | 05:42:50 | 74.08, 83.20 | 58.23 | 05/04/2025 | 05:42:29 | 74.10, 83.28 | 58.25 | 3.19 | 21 |
| 29 | 05/04/2025 | 06:33:34 | -74.07,-109.45 | 121.80 | 05/04/2025 | 06:33:11 | -74.09,-109.42 | 121.77 | 3.04 | 23 |
| 30 | 05/04/2025 | 07:24:20 | 74.08, 57.83 | 58.21 | 05/04/2025 | 07:23:51 | 74.08, 57.89 | 58.22 | 1.81 | 29 |
| 31 | 05/04/2025 | 08:15:04 | -74.07,-134.82 | 121.82 | 05/04/2025 | 08:14:33 | -74.07,-134.81 | 121.81 | 0.85 | 31 |
| 32 | 05/04/2025 | 09:05:50 | 74.08, 32.45 | 58.19 | 05/04/2025 | 09:05:13 | 74.06, 32.50 | 58.18 | 2.56 | 37 |
| 33 | 05/04/2025 | 09:56:34 | -74.07,-160.20 | 121.84 | 05/04/2025 | 09:55:55 | -74.05,-160.20 | 121.84 | 1.46 | 39 |
| 34 | 05/04/2025 | 10:47:19 | 74.03, 7.20 | 58.12 | 05/04/2025 | 10:46:35 | 74.04, 7.11 | 58.14 | 2.89 | 44 |
| 35 | 05/04/2025 | 11:38:04 | -74.07, 174.43 | 121.86 | 05/04/2025 | 11:37:17 | -74.03, 174.42 | 121.88 | 3.68 | 47 |
| 36 | 05/04/2025 | 12:28:49 | 74.03, -18.18 | 58.10 | 05/04/2025 | 12:27:57 | 74.02, -18.28 | 58.11 | 3.23 | 52 |
| 37 | 05/04/2025 | 13:19:34 | -74.07, 149.05 | 121.88 | 05/04/2025 | 13:18:38 | -74.06, 149.15 | 121.87 | 3.03 | 56 |
| 38 | 05/04/2025 | 14:10:19 | 74.03, -43.55 | 58.08 | 05/04/2025 | 14:09:18 | 74.05, -43.55 | 58.11 | 2.21 | 61 |
| 39 | 05/04/2025 | 15:01:03 | -74.02, 123.80 | 121.95 | 05/04/2025 | 15:00:00 | -74.04, 123.76 | 121.91 | 3.07 | 63 |
| 40 | 05/04/2025 | 15:51:49 | 74.03, -68.93 | 58.06 | 05/04/2025 | 15:50:40 | 74.03, -68.93 | 58.07 | 0.11 | 69 |
| 41 | 05/04/2025 | 16:42:33 | -74.02, 98.42 | 121.97 | 05/04/2025 | 16:41:22 | -74.03, 98.37 | 121.95 | 1.56 | 71 |
| 42 | 05/04/2025 | 17:33:17 | 73.94, -94.06 | 57.93 | 05/04/2025 | 17:32:03 | 73.96, -94.44 | 58.00 | 12.01 | 74 |
| 43 | 05/04/2025 | 18:24:00 | -73.87, 73.40 | 122.16 | 05/04/2025 | 18:22:47 | -73.86, 72.63 | 122.11 | 23.90 | 73 |
| 44 | 05/04/2025 | 19:14:41 | 73.64,-118.73 | 57.58 | 05/04/2025 | 19:13:31 | 73.64,-120.53 | 57.70 | 56.32 | 70 |
| 45 | 05/04/2025 | 20:05:23 | -73.53, 48.84 | 122.56 | 05/04/2025 | 20:04:15 | -73.54, 46.56 | 122.40 | 72.10 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 5/2/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 05/02/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B