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: 4/28/2025
| 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 | -74.78,-116.07 | 120.70 | 05/03/2025 | 06:53:55 | -74.76,-112.94 | 120.91 | 91.51 | 66 |
| 2 | 05/03/2025 | 07:43:31 | 74.61, 51.71 | 59.10 | 05/03/2025 | 07:44:39 | 74.56, 53.85 | 58.91 | 63.69 | 68 |
| 3 | 05/03/2025 | 08:34:13 | -74.49,-140.66 | 121.05 | 05/03/2025 | 08:35:23 | -74.45,-139.09 | 121.20 | 46.91 | 70 |
| 4 | 05/03/2025 | 09:24:54 | 74.27, 27.23 | 58.69 | 05/03/2025 | 09:26:07 | 74.24, 27.71 | 58.62 | 14.96 | 73 |
| 5 | 05/03/2025 | 10:15:37 | -74.20,-165.28 | 121.40 | 05/03/2025 | 10:16:50 | -74.18,-165.10 | 121.44 | 5.78 | 73 |
| 6 | 05/03/2025 | 11:06:22 | 74.17, 2.10 | 58.56 | 05/03/2025 | 11:07:30 | 74.17, 2.20 | 58.54 | 3.06 | 68 |
| 7 | 05/03/2025 | 11:57:06 | -74.15, 169.46 | 121.48 | 05/03/2025 | 11:58:12 | -74.17, 169.51 | 121.48 | 2.11 | 66 |
| 8 | 05/03/2025 | 12:47:52 | 74.17, -23.28 | 58.54 | 05/03/2025 | 12:48:52 | 74.15, -23.19 | 58.50 | 3.44 | 60 |
| 9 | 05/03/2025 | 13:38:36 | -74.15, 144.09 | 121.50 | 05/03/2025 | 13:39:34 | -74.15, 144.12 | 121.52 | 1.26 | 58 |
| 10 | 05/03/2025 | 14:29:21 | 74.12, -48.53 | 58.46 | 05/03/2025 | 14:30:14 | 74.13, -48.58 | 58.46 | 1.80 | 53 |
| 11 | 05/03/2025 | 15:20:06 | -74.15, 118.71 | 121.52 | 05/03/2025 | 15:20:56 | -74.13, 118.73 | 121.56 | 2.96 | 50 |
| 12 | 05/03/2025 | 16:10:51 | 74.12, -73.91 | 58.44 | 05/03/2025 | 16:11:36 | 74.11, -73.97 | 58.43 | 2.16 | 45 |
| 13 | 05/03/2025 | 17:01:35 | -74.10, 93.46 | 121.59 | 05/03/2025 | 17:02:18 | -74.11, 93.35 | 121.59 | 3.40 | 43 |
| 14 | 05/03/2025 | 17:52:21 | 74.12, -99.28 | 58.42 | 05/03/2025 | 17:52:57 | 74.14, -99.23 | 58.43 | 2.59 | 36 |
| 15 | 05/03/2025 | 18:43:05 | -74.11, 68.08 | 121.61 | 05/03/2025 | 18:43:39 | -74.14, 68.08 | 121.59 | 3.64 | 34 |
| 16 | 05/03/2025 | 19:33:51 | 74.12,-124.66 | 58.41 | 05/03/2025 | 19:34:19 | 74.12,-124.62 | 58.40 | 1.12 | 28 |
| 17 | 05/03/2025 | 20:24:35 | -74.11, 42.70 | 121.63 | 05/03/2025 | 20:25:01 | -74.12, 42.69 | 121.62 | 1.48 | 26 |
| 18 | 05/03/2025 | 21:15:21 | 74.13,-150.03 | 58.39 | 05/03/2025 | 21:15:41 | 74.10,-150.01 | 58.36 | 2.48 | 20 |
| 19 | 05/03/2025 | 22:06:05 | -74.11, 17.33 | 121.65 | 05/03/2025 | 22:06:23 | -74.10, 17.30 | 121.66 | 1.11 | 18 |
| 20 | 05/03/2025 | 22:56:50 | 74.08,-175.29 | 58.31 | 05/03/2025 | 22:57:03 | 74.08,-175.40 | 58.32 | 3.48 | 13 |
| 21 | 05/03/2025 | 23:47:35 | -74.11, -8.05 | 121.67 | 05/03/2025 | 23:47:45 | -74.08, -8.08 | 121.70 | 3.22 | 10 |
| 22 | 05/04/2025 | 00:38:21 | 74.13, 159.21 | 58.35 | 05/04/2025 | 00:38:24 | 74.11, 159.33 | 58.33 | 3.91 | 3 |
| 23 | 05/04/2025 | 01:29:05 | -74.11, -33.42 | 121.69 | 05/04/2025 | 01:29:06 | -74.11, -33.35 | 121.69 | 2.19 | 1 |
| 24 | 05/04/2025 | 02:19:50 | 74.08, 133.96 | 58.27 | 05/04/2025 | 02:19:46 | 74.10, 133.95 | 58.29 | 1.93 | 4 |
| 25 | 05/04/2025 | 03:10:35 | -74.11, -58.80 | 121.71 | 05/04/2025 | 03:10:28 | -74.09, -58.74 | 121.73 | 2.69 | 7 |
| 26 | 05/04/2025 | 04:01:20 | 74.08, 108.58 | 58.25 | 05/04/2025 | 04:01:08 | 74.08, 108.56 | 58.25 | 0.88 | 12 |
| 27 | 05/04/2025 | 04:52:04 | -74.06, -84.06 | 121.78 | 05/04/2025 | 04:51:50 | -74.07, -84.13 | 121.77 | 2.57 | 14 |
| 28 | 05/04/2025 | 05:42:50 | 74.08, 83.21 | 58.23 | 05/04/2025 | 05:42:30 | 74.06, 83.17 | 58.22 | 2.86 | 20 |
| 29 | 05/04/2025 | 06:33:34 | -74.06,-109.43 | 121.80 | 05/04/2025 | 06:33:12 | -74.05,-109.52 | 121.80 | 2.78 | 22 |
| 30 | 05/04/2025 | 07:24:20 | 74.08, 57.83 | 58.21 | 05/04/2025 | 07:23:51 | 74.09, 57.90 | 58.22 | 2.24 | 29 |
| 31 | 05/04/2025 | 08:15:04 | -74.06,-134.81 | 121.82 | 05/04/2025 | 08:14:33 | -74.08,-134.78 | 121.80 | 2.39 | 31 |
| 32 | 05/04/2025 | 09:05:50 | 74.08, 32.45 | 58.19 | 05/04/2025 | 09:05:13 | 74.07, 32.51 | 58.18 | 2.39 | 37 |
| 33 | 05/04/2025 | 09:56:34 | -74.06,-160.18 | 121.84 | 05/04/2025 | 09:55:55 | -74.06,-160.17 | 121.83 | 0.36 | 39 |
| 34 | 05/04/2025 | 10:47:19 | 74.03, 7.20 | 58.12 | 05/04/2025 | 10:46:35 | 74.05, 7.12 | 58.15 | 2.83 | 44 |
| 35 | 05/04/2025 | 11:38:04 | -74.06, 174.44 | 121.86 | 05/04/2025 | 11:37:17 | -74.04, 174.44 | 121.87 | 2.20 | 47 |
| 36 | 05/04/2025 | 12:28:49 | 74.03, -18.18 | 58.10 | 05/04/2025 | 12:27:57 | 74.03, -18.27 | 58.11 | 2.77 | 52 |
| 37 | 05/04/2025 | 13:19:34 | -74.06, 149.06 | 121.88 | 05/04/2025 | 13:18:38 | -74.07, 149.17 | 121.87 | 3.48 | 56 |
| 38 | 05/04/2025 | 14:10:19 | 74.03, -43.55 | 58.08 | 05/04/2025 | 14:09:18 | 74.06, -43.53 | 58.11 | 2.68 | 61 |
| 39 | 05/04/2025 | 15:01:04 | -74.06, 123.69 | 121.90 | 05/04/2025 | 15:00:00 | -74.05, 123.78 | 121.90 | 3.19 | 64 |
| 40 | 05/04/2025 | 15:51:49 | 74.03, -68.93 | 58.06 | 05/04/2025 | 15:50:40 | 74.04, -68.92 | 58.08 | 0.43 | 69 |
| 41 | 05/04/2025 | 16:42:33 | -74.02, 98.43 | 121.98 | 05/04/2025 | 16:41:22 | -74.03, 98.40 | 121.94 | 2.30 | 71 |
| 42 | 05/04/2025 | 17:33:17 | 73.94, -94.06 | 57.93 | 05/04/2025 | 17:32:03 | 73.97, -94.43 | 58.00 | 11.76 | 74 |
| 43 | 05/04/2025 | 18:24:00 | -73.87, 73.41 | 122.16 | 05/04/2025 | 18:22:47 | -73.87, 72.65 | 122.10 | 23.52 | 73 |
| 44 | 05/04/2025 | 19:14:40 | 73.64,-118.73 | 57.58 | 05/04/2025 | 19:13:30 | 73.65,-120.52 | 57.71 | 55.95 | 70 |
| 45 | 05/04/2025 | 20:05:23 | -73.57, 48.74 | 122.51 | 05/04/2025 | 20:04:14 | -73.55, 46.58 | 122.39 | 68.10 | 69 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 4/28/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 04/28/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B