Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-C Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/10/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-C) | Time (METOP-C) | Lat,Lon (METOP-C) | SZA (METOP-C ) | Distance(km) | Time Diff (sec) |
| 1 | 09/10/2025 | 20:37:36 | 72.62,-137.35 | 68.08 | 09/10/2025 | 20:37:31 | 72.64,-137.36 | 68.10 | 2.27 | 5 |
| 2 | 09/10/2025 | 21:28:20 | -72.63, 29.96 | 111.91 | 09/10/2025 | 21:28:13 | -72.63, 29.93 | 111.91 | 0.81 | 7 |
| 3 | 09/10/2025 | 22:19:06 | 72.63,-162.74 | 68.11 | 09/10/2025 | 22:18:53 | 72.62,-162.74 | 68.11 | 0.82 | 13 |
| 4 | 09/10/2025 | 23:09:50 | -72.63, 4.57 | 111.88 | 09/10/2025 | 23:09:35 | -72.61, 4.55 | 111.90 | 2.97 | 15 |
| 5 | 09/11/2025 | 00:00:35 | 72.59, 171.97 | 68.09 | 09/11/2025 | 00:00:15 | 72.60, 171.88 | 68.12 | 3.67 | 20 |
| 6 | 09/11/2025 | 00:51:20 | -72.64, -20.82 | 111.84 | 09/11/2025 | 00:50:56 | -72.64, -20.73 | 111.84 | 3.10 | 24 |
| 7 | 09/11/2025 | 01:42:05 | 72.59, 146.59 | 68.13 | 09/11/2025 | 01:41:37 | 72.58, 146.50 | 68.12 | 3.29 | 28 |
| 8 | 09/11/2025 | 02:32:49 | -72.60, -46.10 | 111.86 | 09/11/2025 | 02:32:18 | -72.62, -46.11 | 111.84 | 2.23 | 31 |
| 9 | 09/11/2025 | 03:23:35 | 72.60, 121.20 | 68.16 | 09/11/2025 | 03:22:58 | 72.61, 121.22 | 68.18 | 1.42 | 37 |
| 10 | 09/11/2025 | 04:14:19 | -72.60, -71.49 | 111.83 | 09/11/2025 | 04:13:40 | -72.60, -71.49 | 111.83 | 0.85 | 39 |
| 11 | 09/11/2025 | 05:05:05 | 72.61, 95.81 | 68.19 | 09/11/2025 | 05:04:20 | 72.59, 95.83 | 68.18 | 2.02 | 45 |
| 12 | 09/11/2025 | 05:55:48 | -72.56, -96.78 | 111.85 | 09/11/2025 | 05:55:02 | -72.57, -96.87 | 111.82 | 3.56 | 46 |
| 13 | 09/11/2025 | 06:46:34 | 72.56, 70.52 | 68.17 | 09/11/2025 | 06:45:42 | 72.57, 70.45 | 68.19 | 2.47 | 52 |
| 14 | 09/11/2025 | 07:37:18 | -72.57,-122.17 | 111.81 | 09/11/2025 | 07:36:24 | -72.55,-122.25 | 111.81 | 3.20 | 54 |
| 15 | 09/11/2025 | 08:28:04 | 72.57, 45.14 | 68.21 | 09/11/2025 | 08:27:04 | 72.55, 45.07 | 68.20 | 3.17 | 60 |
| 16 | 09/11/2025 | 09:18:48 | -72.57,-147.55 | 111.78 | 09/11/2025 | 09:17:45 | -72.58,-147.53 | 111.76 | 1.43 | 63 |
| 17 | 09/11/2025 | 10:09:34 | 72.58, 19.75 | 68.24 | 09/11/2025 | 10:08:25 | 72.58, 19.79 | 68.25 | 1.54 | 69 |
| 18 | 09/11/2025 | 11:00:18 | -72.58,-172.94 | 111.75 | 09/11/2025 | 10:59:07 | -72.56,-172.91 | 111.75 | 2.11 | 71 |
| 19 | 09/11/2025 | 11:51:02 | 72.48, -5.44 | 68.17 | 09/11/2025 | 11:49:48 | 72.51, -5.69 | 68.21 | 9.03 | 74 |
| 20 | 09/11/2025 | 12:41:45 | -72.43, 161.98 | 111.88 | 09/11/2025 | 12:40:31 | -72.44, 161.50 | 111.84 | 15.94 | 74 |
| 21 | 09/11/2025 | 13:32:26 | 72.18, -30.22 | 67.87 | 09/11/2025 | 13:31:16 | 72.18, -31.68 | 67.94 | 49.64 | 70 |
| 22 | 09/11/2025 | 14:23:09 | -72.14, 137.19 | 112.17 | 09/11/2025 | 14:21:59 | -72.11, 135.52 | 112.11 | 56.88 | 70 |
| 23 | 09/11/2025 | 15:13:50 | 71.88, -55.02 | 67.58 | 09/11/2025 | 15:12:43 | 71.90, -57.55 | 67.72 | 87.30 | 67 |
| 24 | 09/11/2025 | 16:04:33 | -71.84, 112.38 | 112.46 | 09/11/2025 | 16:03:26 | -71.84, 109.66 | 112.33 | 94.31 | 67 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 9/10/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 09/10/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C