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: 1/18/2025
| 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 | 01/18/2025 | 03:49:19 | 73.84, 112.30 | 94.64 | 01/18/2025 | 03:49:35 | 73.86, 112.35 | 94.65 | 2.18 | 16 |
| 2 | 01/18/2025 | 04:40:03 | -73.86, -80.42 | 85.35 | 01/18/2025 | 04:40:17 | -73.87, -80.31 | 85.36 | 3.66 | 14 |
| 3 | 01/18/2025 | 05:30:49 | 73.86, 86.89 | 94.64 | 01/18/2025 | 05:30:57 | 73.86, 87.00 | 94.63 | 3.28 | 8 |
| 4 | 01/18/2025 | 06:21:32 | -73.82,-105.71 | 85.41 | 01/18/2025 | 06:21:40 | -73.82,-105.77 | 85.41 | 2.16 | 8 |
| 5 | 01/18/2025 | 07:12:18 | 73.82, 61.60 | 94.59 | 01/18/2025 | 07:12:20 | 73.80, 61.53 | 94.57 | 3.20 | 2 |
| 6 | 01/18/2025 | 08:03:02 | -73.84,-131.12 | 85.41 | 01/18/2025 | 08:03:02 | -73.81,-131.12 | 85.43 | 2.79 | 0 |
| 7 | 01/18/2025 | 08:53:48 | 73.84, 36.19 | 94.59 | 01/18/2025 | 08:53:41 | 73.85, 36.30 | 94.60 | 3.46 | 7 |
| 8 | 01/18/2025 | 09:44:31 | -73.80,-156.41 | 85.46 | 01/18/2025 | 09:44:24 | -73.81,-156.47 | 85.45 | 2.17 | 7 |
| 9 | 01/18/2025 | 10:35:17 | 73.80, 10.90 | 94.54 | 01/18/2025 | 10:35:04 | 73.80, 10.83 | 94.54 | 2.40 | 13 |
| 10 | 01/18/2025 | 11:26:01 | -73.82, 178.19 | 85.46 | 01/18/2025 | 11:25:46 | -73.81, 178.18 | 85.46 | 1.16 | 15 |
| 11 | 01/18/2025 | 12:16:47 | 73.82, -14.50 | 94.54 | 01/18/2025 | 12:16:26 | 73.79, -14.52 | 94.52 | 2.64 | 21 |
| 12 | 01/18/2025 | 13:07:30 | -73.78, 152.90 | 85.51 | 01/18/2025 | 13:07:08 | -73.80, 152.83 | 85.48 | 3.19 | 22 |
| 13 | 01/18/2025 | 13:58:16 | 73.78, -39.79 | 94.48 | 01/18/2025 | 13:57:48 | 73.79, -39.87 | 94.50 | 2.57 | 28 |
| 14 | 01/18/2025 | 14:49:00 | -73.80, 127.49 | 85.51 | 01/18/2025 | 14:48:30 | -73.80, 127.48 | 85.50 | 0.57 | 30 |
| 15 | 01/18/2025 | 15:39:46 | 73.80, -65.20 | 94.49 | 01/18/2025 | 15:39:10 | 73.79, -65.22 | 94.49 | 1.13 | 36 |
| 16 | 01/18/2025 | 16:30:30 | -73.81, 102.08 | 85.51 | 01/18/2025 | 16:29:52 | -73.80, 102.13 | 85.52 | 2.10 | 38 |
| 17 | 01/18/2025 | 17:21:16 | 73.81, -90.61 | 94.49 | 01/18/2025 | 17:20:32 | 73.78, -90.57 | 94.47 | 3.16 | 44 |
| 18 | 01/18/2025 | 18:11:59 | -73.78, 76.79 | 85.56 | 01/18/2025 | 18:11:14 | -73.79, 76.78 | 85.53 | 2.16 | 45 |
| 19 | 01/18/2025 | 19:02:45 | 73.77,-115.90 | 94.43 | 01/18/2025 | 19:01:54 | 73.78,-115.92 | 94.45 | 0.92 | 51 |
| 20 | 01/18/2025 | 19:53:29 | -73.79, 51.38 | 85.56 | 01/18/2025 | 19:52:36 | -73.79, 51.43 | 85.55 | 1.52 | 53 |
| 21 | 01/18/2025 | 20:44:15 | 73.79,-141.31 | 94.44 | 01/18/2025 | 20:43:16 | 73.78,-141.27 | 94.44 | 1.74 | 59 |
| 22 | 01/18/2025 | 21:34:59 | -73.80, 25.98 | 85.56 | 01/18/2025 | 21:33:58 | -73.79, 26.08 | 85.57 | 3.73 | 61 |
| 23 | 01/18/2025 | 22:25:44 | 73.75,-166.60 | 94.38 | 01/18/2025 | 22:24:38 | 73.77,-166.62 | 94.42 | 2.37 | 66 |
| 24 | 01/18/2025 | 23:16:28 | -73.77, 0.69 | 85.61 | 01/18/2025 | 23:15:20 | -73.78, 0.73 | 85.58 | 2.35 | 68 |
| 25 | 01/19/2025 | 00:07:14 | 73.77, 168.00 | 94.38 | 01/19/2025 | 00:06:00 | 73.77, 168.03 | 94.40 | 1.14 | 74 |
| 26 | 01/19/2025 | 00:57:57 | -73.73, -24.60 | 85.67 | 01/19/2025 | 00:56:43 | -73.73, -24.73 | 85.64 | 3.99 | 74 |
| 27 | 01/19/2025 | 01:48:39 | 73.53, 143.17 | 94.11 | 01/19/2025 | 01:47:27 | 73.52, 142.11 | 94.17 | 33.57 | 72 |
| 28 | 01/19/2025 | 02:39:22 | -73.50, -49.43 | 85.94 | 01/19/2025 | 02:38:10 | -73.48, -50.65 | 85.87 | 38.52 | 72 |
| 29 | 01/19/2025 | 03:30:03 | 73.25, 118.44 | 93.78 | 01/19/2025 | 03:28:55 | 73.21, 116.09 | 93.90 | 75.55 | 68 |
| 30 | 01/19/2025 | 04:20:45 | -73.16, -74.06 | 86.33 | 01/19/2025 | 04:19:38 | -73.17, -76.66 | 86.14 | 83.85 | 67 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 1/18/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 01/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B