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: 5/3/2025
| 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 | 06:52:50 | -74.79,-116.11 | 120.69 | 05/03/2025 | 06:53:56 | -74.74,-112.98 | 120.92 | 91.49 | 66 |
| 2 | 05/03/2025 | 07:43:31 | 74.57, 51.82 | 59.05 | 05/03/2025 | 07:44:40 | 74.54, 53.82 | 58.90 | 59.48 | 69 |
| 3 | 05/03/2025 | 08:34:13 | -74.46,-140.57 | 121.09 | 05/03/2025 | 08:35:24 | -74.43,-139.14 | 121.21 | 42.86 | 71 |
| 4 | 05/03/2025 | 09:24:54 | 74.28, 27.20 | 58.70 | 05/03/2025 | 09:26:07 | 74.23, 27.68 | 58.61 | 15.35 | 73 |
| 5 | 05/03/2025 | 10:15:36 | -74.17,-165.20 | 121.44 | 05/03/2025 | 10:16:50 | -74.17,-165.14 | 121.46 | 1.62 | 74 |
| 6 | 05/03/2025 | 11:06:21 | 74.13, 2.20 | 58.51 | 05/03/2025 | 11:07:30 | 74.16, 2.17 | 58.53 | 3.44 | 69 |
| 7 | 05/03/2025 | 11:57:06 | -74.17, 169.43 | 121.46 | 05/03/2025 | 11:58:12 | -74.15, 169.47 | 121.50 | 2.34 | 66 |
| 8 | 05/03/2025 | 12:47:51 | 74.13, -23.17 | 58.49 | 05/03/2025 | 12:48:52 | 74.14, -23.22 | 58.49 | 1.73 | 61 |
| 9 | 05/03/2025 | 13:38:35 | -74.12, 144.17 | 121.54 | 05/03/2025 | 13:39:34 | -74.13, 144.08 | 121.53 | 3.13 | 59 |
| 10 | 05/03/2025 | 14:29:21 | 74.13, -48.55 | 58.47 | 05/03/2025 | 14:30:14 | 74.12, -48.61 | 58.45 | 2.03 | 53 |
| 11 | 05/03/2025 | 15:20:05 | -74.12, 118.80 | 121.56 | 05/03/2025 | 15:20:56 | -74.11, 118.69 | 121.57 | 3.34 | 51 |
| 12 | 05/03/2025 | 16:10:51 | 74.13, -73.93 | 58.45 | 05/03/2025 | 16:11:35 | 74.15, -73.87 | 58.46 | 2.72 | 44 |
| 13 | 05/03/2025 | 17:01:35 | -74.12, 93.42 | 121.58 | 05/03/2025 | 17:02:17 | -74.14, 93.42 | 121.56 | 2.39 | 42 |
| 14 | 05/03/2025 | 17:52:21 | 74.13, -99.30 | 58.43 | 05/03/2025 | 17:52:57 | 74.13, -99.26 | 58.42 | 1.22 | 36 |
| 15 | 05/03/2025 | 18:43:05 | -74.12, 68.05 | 121.60 | 05/03/2025 | 18:43:39 | -74.12, 68.04 | 121.60 | 0.33 | 34 |
| 16 | 05/03/2025 | 19:33:51 | 74.13,-124.68 | 58.41 | 05/03/2025 | 19:34:19 | 74.11,-124.65 | 58.39 | 2.38 | 28 |
| 17 | 05/03/2025 | 20:24:35 | -74.12, 42.67 | 121.62 | 05/03/2025 | 20:25:01 | -74.10, 42.65 | 121.64 | 2.09 | 26 |
| 18 | 05/03/2025 | 21:15:20 | 74.08,-149.93 | 58.34 | 05/03/2025 | 21:15:41 | 74.09,-150.04 | 58.35 | 3.43 | 21 |
| 19 | 05/03/2025 | 22:06:05 | -74.12, 17.29 | 121.64 | 05/03/2025 | 22:06:22 | -74.13, 17.38 | 121.63 | 2.98 | 17 |
| 20 | 05/03/2025 | 22:56:50 | 74.08,-175.31 | 58.32 | 05/03/2025 | 22:57:03 | 74.07,-175.43 | 58.31 | 3.84 | 13 |
| 21 | 05/03/2025 | 23:47:35 | -74.12, -8.08 | 121.66 | 05/03/2025 | 23:47:44 | -74.11, -8.01 | 121.67 | 2.48 | 9 |
| 22 | 05/04/2025 | 00:38:20 | 74.08, 159.32 | 58.30 | 05/04/2025 | 00:38:24 | 74.10, 159.31 | 58.32 | 2.14 | 4 |
| 23 | 05/04/2025 | 01:29:04 | -74.07, -33.34 | 121.73 | 05/04/2025 | 01:29:06 | -74.09, -33.39 | 121.71 | 2.95 | 2 |
| 24 | 05/04/2025 | 02:19:50 | 74.09, 133.94 | 58.28 | 05/04/2025 | 02:19:46 | 74.08, 133.92 | 58.28 | 0.73 | 4 |
| 25 | 05/04/2025 | 03:10:34 | -74.07, -58.71 | 121.75 | 05/04/2025 | 03:10:28 | -74.07, -58.78 | 121.74 | 2.12 | 6 |
| 26 | 05/04/2025 | 04:01:20 | 74.09, 108.56 | 58.26 | 05/04/2025 | 04:01:08 | 74.06, 108.53 | 58.24 | 2.58 | 12 |
| 27 | 05/04/2025 | 04:52:04 | -74.07, -84.09 | 121.77 | 05/04/2025 | 04:51:50 | -74.05, -84.17 | 121.78 | 3.20 | 14 |
| 28 | 05/04/2025 | 05:42:50 | 74.09, 83.19 | 58.24 | 05/04/2025 | 05:42:29 | 74.09, 83.26 | 58.25 | 2.41 | 21 |
| 29 | 05/04/2025 | 06:33:34 | -74.07,-109.46 | 121.79 | 05/04/2025 | 06:33:11 | -74.08,-109.44 | 121.77 | 1.51 | 23 |
| 30 | 05/04/2025 | 07:24:20 | 74.09, 57.81 | 58.22 | 05/04/2025 | 07:23:51 | 74.08, 57.87 | 58.21 | 2.24 | 29 |
| 31 | 05/04/2025 | 08:15:04 | -74.07,-134.84 | 121.81 | 05/04/2025 | 08:14:33 | -74.07,-134.83 | 121.81 | 1.06 | 31 |
| 32 | 05/04/2025 | 09:05:49 | 74.04, 32.56 | 58.14 | 05/04/2025 | 09:05:13 | 74.06, 32.48 | 58.17 | 3.00 | 36 |
| 33 | 05/04/2025 | 09:56:34 | -74.07,-160.22 | 121.83 | 05/04/2025 | 09:55:55 | -74.05,-160.21 | 121.85 | 3.16 | 39 |
| 34 | 05/04/2025 | 10:47:19 | 74.04, 7.18 | 58.12 | 05/04/2025 | 10:46:35 | 74.04, 7.10 | 58.14 | 2.64 | 44 |
| 35 | 05/04/2025 | 11:38:04 | -74.08, 174.41 | 121.85 | 05/04/2025 | 11:37:16 | -74.08, 174.52 | 121.84 | 3.43 | 48 |
| 36 | 05/04/2025 | 12:28:49 | 74.04, -18.19 | 58.10 | 05/04/2025 | 12:27:56 | 74.07, -18.17 | 58.14 | 3.11 | 53 |
| 37 | 05/04/2025 | 13:19:33 | -74.03, 149.15 | 121.92 | 05/04/2025 | 13:18:38 | -74.06, 149.13 | 121.88 | 3.43 | 55 |
| 38 | 05/04/2025 | 14:10:19 | 74.04, -43.57 | 58.09 | 05/04/2025 | 14:09:18 | 74.05, -43.56 | 58.11 | 0.85 | 61 |
| 39 | 05/04/2025 | 15:01:03 | -74.03, 123.78 | 121.94 | 05/04/2025 | 15:00:00 | -74.04, 123.74 | 121.92 | 1.52 | 63 |
| 40 | 05/04/2025 | 15:51:49 | 74.04, -68.95 | 58.07 | 05/04/2025 | 15:50:40 | 74.03, -68.95 | 58.07 | 1.44 | 69 |
| 41 | 05/04/2025 | 16:42:33 | -74.03, 98.40 | 121.96 | 05/04/2025 | 16:41:22 | -74.02, 98.36 | 121.95 | 1.70 | 71 |
| 42 | 05/04/2025 | 17:33:17 | 73.94, -94.08 | 57.94 | 05/04/2025 | 17:32:03 | 73.96, -94.46 | 57.99 | 11.68 | 74 |
| 43 | 05/04/2025 | 18:24:00 | -73.88, 73.38 | 122.15 | 05/04/2025 | 18:22:47 | -73.85, 72.61 | 122.12 | 24.01 | 73 |
| 44 | 05/04/2025 | 19:14:41 | 73.65,-118.75 | 57.59 | 05/04/2025 | 19:13:31 | 73.64,-120.54 | 57.70 | 56.27 | 70 |
| 45 | 05/04/2025 | 20:05:23 | -73.53, 48.82 | 122.55 | 05/04/2025 | 20:04:15 | -73.53, 46.54 | 122.40 | 72.01 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 5/3/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 05/03/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B