Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/15/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (TERRA) | Time (TERRA) | Lat,Lon (TERRA) | SZA (TERRA ) | Distance(km) | Time Diff (sec) |
| 1 | 08/17/2025 | 17:15:28 | -74.84, 88.08 | 117.92 | 08/17/2025 | 17:16:34 | -74.75, 90.92 | 118.21 | 83.42 | 66 |
| 2 | 08/17/2025 | 18:05:59 | 74.15,-102.78 | 61.30 | 08/17/2025 | 18:06:04 | 74.14,-102.84 | 61.29 | 2.41 | 5 |
| 3 | 08/17/2025 | 18:56:39 | -73.93, 65.09 | 118.94 | 08/17/2025 | 18:55:27 | -73.99, 64.50 | 118.83 | 19.55 | 72 |
| 4 | 08/20/2025 | 03:37:06 | 74.72, 113.00 | 62.73 | 08/20/2025 | 03:38:14 | 74.58, 115.05 | 62.44 | 62.57 | 68 |
| 5 | 08/20/2025 | 04:27:39 | -74.15, -78.20 | 117.92 | 08/20/2025 | 04:27:42 | -74.18, -78.20 | 117.89 | 2.99 | 3 |
| 6 | 08/20/2025 | 05:18:17 | 73.80, 89.99 | 61.70 | 08/20/2025 | 05:17:06 | 73.86, 88.78 | 61.86 | 38.19 | 71 |
| 7 | 08/22/2025 | 13:58:44 | -74.63, 137.84 | 116.59 | 08/22/2025 | 13:59:54 | -74.51, 139.43 | 116.82 | 48.87 | 70 |
| 8 | 08/22/2025 | 14:49:20 | 74.18, -53.68 | 62.92 | 08/22/2025 | 14:49:18 | 74.19, -53.63 | 62.93 | 1.93 | 2 |
| 9 | 08/22/2025 | 15:39:56 | -73.75, 114.68 | 117.55 | 08/22/2025 | 15:38:46 | -73.80, 113.18 | 117.40 | 46.83 | 70 |
| 10 | 08/25/2025 | 00:20:22 | 74.51, 162.73 | 64.10 | 08/25/2025 | 00:21:32 | 74.39, 163.71 | 63.91 | 32.11 | 70 |
| 11 | 08/25/2025 | 01:11:00 | -74.18, -29.11 | 116.26 | 08/25/2025 | 01:10:57 | -74.17, -29.14 | 116.27 | 1.85 | 3 |
| 12 | 08/25/2025 | 02:01:31 | 73.53, 139.77 | 63.03 | 08/25/2025 | 02:00:24 | 73.62, 137.36 | 63.28 | 76.53 | 67 |
| 13 | 08/27/2025 | 10:41:59 | -74.42,-172.45 | 115.17 | 08/27/2025 | 10:43:11 | -74.32,-171.93 | 115.32 | 19.62 | 72 |
| 14 | 08/27/2025 | 11:32:39 | 74.17, -4.49 | 64.56 | 08/27/2025 | 11:32:31 | 74.18, -4.55 | 64.58 | 2.42 | 8 |
| 15 | 08/27/2025 | 12:23:10 | -73.49, 164.45 | 116.19 | 08/27/2025 | 12:22:04 | -73.54, 161.74 | 115.95 | 85.45 | 66 |
| 16 | 08/29/2025 | 21:03:36 | 74.26,-147.46 | 65.51 | 08/29/2025 | 21:04:47 | 74.26,-147.51 | 65.48 | 1.62 | 71 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/15/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/15/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA