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: 4/26/2025
| 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 | -74.81,-116.15 | 120.67 | 05/03/2025 | 06:53:56 | -74.74,-112.99 | 120.92 | 92.58 | 66 |
| 2 | 05/03/2025 | 07:43:31 | 74.59, 51.76 | 59.08 | 05/03/2025 | 07:44:40 | 74.53, 53.80 | 58.89 | 60.77 | 69 |
| 3 | 05/03/2025 | 08:34:13 | -74.47,-140.61 | 121.07 | 05/03/2025 | 08:35:24 | -74.43,-139.14 | 121.21 | 43.99 | 71 |
| 4 | 05/03/2025 | 09:24:55 | 74.30, 27.15 | 58.73 | 05/03/2025 | 09:26:08 | 74.22, 27.66 | 58.60 | 17.90 | 73 |
| 5 | 05/03/2025 | 10:15:37 | -74.18,-165.23 | 121.42 | 05/03/2025 | 10:16:51 | -74.17,-165.15 | 121.46 | 3.14 | 74 |
| 6 | 05/03/2025 | 11:06:22 | 74.15, 2.14 | 58.54 | 05/03/2025 | 11:07:31 | 74.15, 2.15 | 58.52 | 0.50 | 69 |
| 7 | 05/03/2025 | 11:57:06 | -74.13, 169.51 | 121.50 | 05/03/2025 | 11:58:13 | -74.15, 169.46 | 121.50 | 2.09 | 67 |
| 8 | 05/03/2025 | 12:47:52 | 74.15, -23.23 | 58.52 | 05/03/2025 | 12:48:53 | 74.13, -23.24 | 58.48 | 2.74 | 61 |
| 9 | 05/03/2025 | 13:38:36 | -74.13, 144.14 | 121.52 | 05/03/2025 | 13:39:35 | -74.13, 144.08 | 121.54 | 1.99 | 59 |
| 10 | 05/03/2025 | 14:29:22 | 74.16, -48.61 | 58.50 | 05/03/2025 | 14:30:14 | 74.16, -48.51 | 58.49 | 3.10 | 52 |
| 11 | 05/03/2025 | 15:20:06 | -74.13, 118.76 | 121.54 | 05/03/2025 | 15:20:56 | -74.16, 118.81 | 121.53 | 2.92 | 50 |
| 12 | 05/03/2025 | 16:10:51 | 74.16, -73.99 | 58.48 | 05/03/2025 | 16:11:35 | 74.14, -73.90 | 58.45 | 3.18 | 44 |
| 13 | 05/03/2025 | 17:01:35 | -74.13, 93.38 | 121.56 | 05/03/2025 | 17:02:17 | -74.14, 93.42 | 121.57 | 1.17 | 42 |
| 14 | 05/03/2025 | 17:52:20 | 74.11, -99.24 | 58.41 | 05/03/2025 | 17:52:57 | 74.12, -99.29 | 58.41 | 2.08 | 37 |
| 15 | 05/03/2025 | 18:43:05 | -74.14, 68.01 | 121.58 | 05/03/2025 | 18:43:39 | -74.12, 68.03 | 121.60 | 2.09 | 34 |
| 16 | 05/03/2025 | 19:33:50 | 74.11,-124.62 | 58.39 | 05/03/2025 | 19:34:19 | 74.10,-124.67 | 58.38 | 1.92 | 29 |
| 17 | 05/03/2025 | 20:24:34 | -74.09, 42.75 | 121.65 | 05/03/2025 | 20:25:01 | -74.10, 42.64 | 121.64 | 3.52 | 27 |
| 18 | 05/03/2025 | 21:15:20 | 74.11,-149.99 | 58.37 | 05/03/2025 | 21:15:40 | 74.13,-149.94 | 58.38 | 2.97 | 20 |
| 19 | 05/03/2025 | 22:06:04 | -74.09, 17.38 | 121.67 | 05/03/2025 | 22:06:23 | -74.08, 17.26 | 121.68 | 3.74 | 19 |
| 20 | 05/03/2025 | 22:56:50 | 74.11,-175.37 | 58.35 | 05/03/2025 | 22:57:02 | 74.11,-175.33 | 58.34 | 1.22 | 12 |
| 21 | 05/03/2025 | 23:47:34 | -74.09, -8.00 | 121.69 | 05/03/2025 | 23:47:44 | -74.11, -8.01 | 121.67 | 2.34 | 10 |
| 22 | 05/04/2025 | 00:38:20 | 74.11, 159.25 | 58.33 | 05/04/2025 | 00:38:24 | 74.09, 159.28 | 58.31 | 2.13 | 4 |
| 23 | 05/04/2025 | 01:29:04 | -74.09, -33.38 | 121.71 | 05/04/2025 | 01:29:06 | -74.09, -33.40 | 121.71 | 0.64 | 2 |
| 24 | 05/04/2025 | 02:19:49 | 74.06, 134.00 | 58.25 | 05/04/2025 | 02:19:46 | 74.07, 133.89 | 58.27 | 3.50 | 3 |
| 25 | 05/04/2025 | 03:10:34 | -74.09, -58.76 | 121.73 | 05/04/2025 | 03:10:28 | -74.07, -58.79 | 121.75 | 2.36 | 6 |
| 26 | 05/04/2025 | 04:01:19 | 74.06, 108.62 | 58.23 | 05/04/2025 | 04:01:08 | 74.05, 108.51 | 58.23 | 3.76 | 11 |
| 27 | 05/04/2025 | 04:52:04 | -74.09, -84.13 | 121.75 | 05/04/2025 | 04:51:49 | -74.10, -84.05 | 121.74 | 2.59 | 15 |
| 28 | 05/04/2025 | 05:42:49 | 74.06, 83.25 | 58.21 | 05/04/2025 | 05:42:29 | 74.08, 83.24 | 58.24 | 2.27 | 20 |
| 29 | 05/04/2025 | 06:33:34 | -74.09,-109.51 | 121.77 | 05/04/2025 | 06:33:11 | -74.08,-109.44 | 121.78 | 2.30 | 23 |
| 30 | 05/04/2025 | 07:24:19 | 74.06, 57.87 | 58.19 | 05/04/2025 | 07:23:51 | 74.06, 57.85 | 58.20 | 0.66 | 28 |
| 31 | 05/04/2025 | 08:15:03 | -74.04,-134.76 | 121.84 | 05/04/2025 | 08:14:33 | -74.06,-134.83 | 121.81 | 2.92 | 30 |
| 32 | 05/04/2025 | 09:05:49 | 74.07, 32.49 | 58.17 | 05/04/2025 | 09:05:13 | 74.04, 32.46 | 58.16 | 2.49 | 36 |
| 33 | 05/04/2025 | 09:56:33 | -74.04,-160.14 | 121.86 | 05/04/2025 | 09:55:55 | -74.04,-160.22 | 121.85 | 2.39 | 38 |
| 34 | 05/04/2025 | 10:47:19 | 74.07, 7.12 | 58.16 | 05/04/2025 | 10:46:34 | 74.07, 7.19 | 58.17 | 2.51 | 45 |
| 35 | 05/04/2025 | 11:38:03 | -74.05, 174.48 | 121.88 | 05/04/2025 | 11:37:16 | -74.07, 174.51 | 121.85 | 3.22 | 47 |
| 36 | 05/04/2025 | 12:28:49 | 74.07, -18.26 | 58.14 | 05/04/2025 | 12:27:56 | 74.06, -18.20 | 58.13 | 2.34 | 53 |
| 37 | 05/04/2025 | 13:19:33 | -74.05, 149.11 | 121.90 | 05/04/2025 | 13:18:38 | -74.05, 149.13 | 121.88 | 1.03 | 55 |
| 38 | 05/04/2025 | 14:10:18 | 74.02, -43.52 | 58.06 | 05/04/2025 | 14:09:18 | 74.04, -43.58 | 58.10 | 2.85 | 60 |
| 39 | 05/04/2025 | 15:01:03 | -74.05, 123.73 | 121.92 | 05/04/2025 | 15:00:00 | -74.03, 123.74 | 121.92 | 1.44 | 63 |
| 40 | 05/04/2025 | 15:51:48 | 74.02, -68.89 | 58.04 | 05/04/2025 | 15:50:40 | 74.02, -68.97 | 58.06 | 2.50 | 68 |
| 41 | 05/04/2025 | 16:42:33 | -74.05, 98.35 | 121.94 | 05/04/2025 | 16:41:22 | -74.01, 98.35 | 121.96 | 3.68 | 71 |
| 42 | 05/04/2025 | 17:33:17 | 73.97, -94.15 | 57.97 | 05/04/2025 | 17:32:03 | 73.95, -94.48 | 57.98 | 10.56 | 74 |
| 43 | 05/04/2025 | 18:24:00 | -73.90, 73.34 | 122.12 | 05/04/2025 | 18:22:46 | -73.90, 72.73 | 122.08 | 18.83 | 74 |
| 44 | 05/04/2025 | 19:14:40 | 73.62,-118.70 | 57.56 | 05/04/2025 | 19:13:31 | 73.63,-120.57 | 57.69 | 58.64 | 69 |
| 45 | 05/04/2025 | 20:05:23 | -73.56, 48.78 | 122.53 | 05/04/2025 | 20:04:14 | -73.58, 46.65 | 122.37 | 67.08 | 69 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 4/26/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 04/26/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B