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: 4/29/2025
| 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 | -74.73,-113.02 | 120.93 | 91.89 | 66 |
| 2 | 05/03/2025 | 07:43:31 | 74.59, 51.76 | 59.07 | 05/03/2025 | 07:44:40 | 74.53, 53.78 | 58.89 | 60.03 | 69 |
| 3 | 05/03/2025 | 08:34:13 | -74.47,-140.61 | 121.07 | 05/03/2025 | 08:35:24 | -74.42,-139.17 | 121.22 | 43.33 | 71 |
| 4 | 05/03/2025 | 09:24:55 | 74.30, 27.15 | 58.72 | 05/03/2025 | 09:26:08 | 74.21, 27.64 | 58.59 | 17.44 | 73 |
| 5 | 05/03/2025 | 10:15:37 | -74.18,-165.23 | 121.42 | 05/03/2025 | 10:16:51 | -74.15,-165.18 | 121.47 | 3.39 | 74 |
| 6 | 05/03/2025 | 11:06:22 | 74.15, 2.15 | 58.54 | 05/03/2025 | 11:07:31 | 74.14, 2.13 | 58.51 | 1.14 | 69 |
| 7 | 05/03/2025 | 11:57:06 | -74.13, 169.51 | 121.50 | 05/03/2025 | 11:58:13 | -74.14, 169.44 | 121.51 | 2.36 | 67 |
| 8 | 05/03/2025 | 12:47:52 | 74.15, -23.22 | 58.52 | 05/03/2025 | 12:48:53 | 74.12, -23.26 | 58.48 | 3.27 | 61 |
| 9 | 05/03/2025 | 13:38:36 | -74.13, 144.14 | 121.52 | 05/03/2025 | 13:39:35 | -74.12, 144.05 | 121.54 | 3.25 | 59 |
| 10 | 05/03/2025 | 14:29:22 | 74.15, -48.60 | 58.50 | 05/03/2025 | 14:30:14 | 74.15, -48.53 | 58.48 | 2.22 | 52 |
| 11 | 05/03/2025 | 15:20:06 | -74.13, 118.76 | 121.54 | 05/03/2025 | 15:20:56 | -74.15, 118.78 | 121.54 | 1.61 | 50 |
| 12 | 05/03/2025 | 16:10:52 | 74.15, -73.98 | 58.48 | 05/03/2025 | 16:11:36 | 74.13, -73.92 | 58.44 | 2.69 | 44 |
| 13 | 05/03/2025 | 17:01:36 | -74.13, 93.38 | 121.56 | 05/03/2025 | 17:02:18 | -74.13, 93.39 | 121.58 | 0.75 | 42 |
| 14 | 05/03/2025 | 17:52:21 | 74.10, -99.23 | 58.40 | 05/03/2025 | 17:52:58 | 74.11, -99.30 | 58.41 | 2.62 | 37 |
| 15 | 05/03/2025 | 18:43:06 | -74.13, 68.01 | 121.58 | 05/03/2025 | 18:43:40 | -74.11, 68.01 | 121.61 | 2.89 | 34 |
| 16 | 05/03/2025 | 19:33:51 | 74.10,-124.60 | 58.38 | 05/03/2025 | 19:34:20 | 74.10,-124.69 | 58.37 | 2.82 | 29 |
| 17 | 05/03/2025 | 20:24:36 | -74.13, 42.63 | 121.60 | 05/03/2025 | 20:25:01 | -74.14, 42.74 | 121.61 | 3.24 | 25 |
| 18 | 05/03/2025 | 21:15:21 | 74.10,-149.98 | 58.36 | 05/03/2025 | 21:15:41 | 74.13,-149.96 | 58.38 | 2.46 | 20 |
| 19 | 05/03/2025 | 22:06:06 | -74.13, 17.26 | 121.62 | 05/03/2025 | 22:06:23 | -74.12, 17.35 | 121.64 | 3.37 | 17 |
| 20 | 05/03/2025 | 22:56:51 | 74.10,-175.36 | 58.34 | 05/03/2025 | 22:57:03 | 74.11,-175.35 | 58.34 | 0.31 | 12 |
| 21 | 05/03/2025 | 23:47:35 | -74.09, -8.00 | 121.69 | 05/03/2025 | 23:47:45 | -74.10, -8.04 | 121.68 | 1.92 | 10 |
| 22 | 05/04/2025 | 00:38:21 | 74.10, 159.27 | 58.32 | 05/04/2025 | 00:38:25 | 74.09, 159.26 | 58.30 | 2.06 | 4 |
| 23 | 05/04/2025 | 01:29:05 | -74.09, -33.37 | 121.71 | 05/04/2025 | 01:29:07 | -74.08, -33.42 | 121.72 | 1.73 | 2 |
| 24 | 05/04/2025 | 02:19:51 | 74.11, 133.89 | 58.30 | 05/04/2025 | 02:19:46 | 74.12, 134.00 | 58.31 | 3.44 | 5 |
| 25 | 05/04/2025 | 03:10:35 | -74.09, -58.75 | 121.73 | 05/04/2025 | 03:10:28 | -74.11, -58.69 | 121.71 | 3.11 | 7 |
| 26 | 05/04/2025 | 04:01:21 | 74.11, 108.52 | 58.28 | 05/04/2025 | 04:01:08 | 74.10, 108.61 | 58.27 | 3.00 | 13 |
| 27 | 05/04/2025 | 04:52:04 | -74.09, -84.13 | 121.75 | 05/04/2025 | 04:51:49 | -74.09, -84.08 | 121.75 | 1.43 | 15 |
| 28 | 05/04/2025 | 05:42:49 | 74.06, 83.26 | 58.21 | 05/04/2025 | 05:42:29 | 74.08, 83.22 | 58.23 | 2.59 | 20 |
| 29 | 05/04/2025 | 06:33:34 | -74.09,-109.50 | 121.77 | 05/04/2025 | 06:33:11 | -74.07,-109.47 | 121.79 | 2.09 | 23 |
| 30 | 05/04/2025 | 07:24:19 | 74.06, 57.89 | 58.19 | 05/04/2025 | 07:23:51 | 74.06, 57.83 | 58.20 | 1.64 | 28 |
| 31 | 05/04/2025 | 08:15:03 | -74.04,-134.76 | 121.85 | 05/04/2025 | 08:14:33 | -74.05,-134.86 | 121.82 | 3.36 | 30 |
| 32 | 05/04/2025 | 09:05:49 | 74.06, 32.51 | 58.17 | 05/04/2025 | 09:05:13 | 74.04, 32.44 | 58.16 | 2.97 | 36 |
| 33 | 05/04/2025 | 09:56:33 | -74.04,-160.13 | 121.87 | 05/04/2025 | 09:55:55 | -74.03,-160.24 | 121.86 | 3.48 | 38 |
| 34 | 05/04/2025 | 10:47:19 | 74.06, 7.13 | 58.15 | 05/04/2025 | 10:46:34 | 74.07, 7.18 | 58.16 | 1.71 | 45 |
| 35 | 05/04/2025 | 11:38:03 | -74.04, 174.49 | 121.89 | 05/04/2025 | 11:37:16 | -74.06, 174.49 | 121.85 | 2.51 | 47 |
| 36 | 05/04/2025 | 12:28:49 | 74.06, -18.24 | 58.13 | 05/04/2025 | 12:27:56 | 74.05, -18.21 | 58.13 | 1.47 | 53 |
| 37 | 05/04/2025 | 13:19:33 | -74.04, 149.12 | 121.91 | 05/04/2025 | 13:18:38 | -74.04, 149.10 | 121.89 | 0.52 | 55 |
| 38 | 05/04/2025 | 14:10:19 | 74.06, -43.62 | 58.11 | 05/04/2025 | 14:09:18 | 74.03, -43.60 | 58.09 | 3.41 | 61 |
| 39 | 05/04/2025 | 15:01:03 | -74.04, 123.74 | 121.93 | 05/04/2025 | 15:00:00 | -74.02, 123.71 | 121.93 | 2.07 | 63 |
| 40 | 05/04/2025 | 15:51:48 | 74.01, -68.87 | 58.03 | 05/04/2025 | 15:50:40 | 74.01, -68.99 | 58.05 | 3.52 | 68 |
| 41 | 05/04/2025 | 16:42:33 | -74.04, 98.36 | 121.95 | 05/04/2025 | 16:41:21 | -74.05, 98.45 | 121.92 | 2.87 | 72 |
| 42 | 05/04/2025 | 17:33:17 | 73.96, -94.13 | 57.96 | 05/04/2025 | 17:32:03 | 73.94, -94.50 | 57.98 | 11.53 | 74 |
| 43 | 05/04/2025 | 18:23:59 | -73.85, 73.47 | 122.18 | 05/04/2025 | 18:22:46 | -73.89, 72.70 | 122.08 | 24.03 | 73 |
| 44 | 05/04/2025 | 19:14:40 | 73.62,-118.68 | 57.55 | 05/04/2025 | 19:13:31 | 73.62,-120.58 | 57.69 | 59.72 | 69 |
| 45 | 05/04/2025 | 20:05:23 | -73.55, 48.79 | 122.53 | 05/04/2025 | 20:04:14 | -73.57, 46.63 | 122.37 | 68.16 | 69 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 4/29/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 04/29/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B