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: 8/17/2025
| 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 | -74.86, 88.03 | 117.90 | 08/17/2025 | 17:16:34 | -74.73, 90.87 | 118.22 | 83.98 | 66 |
| 2 | 08/17/2025 | 18:05:59 | 74.17,-102.82 | 61.32 | 08/17/2025 | 18:06:03 | 74.17,-102.76 | 61.32 | 1.90 | 4 |
| 3 | 08/17/2025 | 18:56:39 | -73.94, 65.05 | 118.93 | 08/17/2025 | 18:55:26 | -74.02, 64.57 | 118.80 | 17.23 | 73 |
| 4 | 08/20/2025 | 03:37:05 | 74.69, 113.09 | 62.69 | 08/20/2025 | 03:38:13 | 74.61, 115.13 | 62.47 | 60.82 | 68 |
| 5 | 08/20/2025 | 04:27:39 | -74.17, -78.24 | 117.90 | 08/20/2025 | 04:27:42 | -74.16, -78.25 | 117.91 | 1.02 | 3 |
| 6 | 08/20/2025 | 05:18:16 | 73.76, 90.07 | 61.66 | 08/20/2025 | 05:17:06 | 73.84, 88.74 | 61.84 | 42.27 | 70 |
| 7 | 08/22/2025 | 13:58:44 | -74.64, 137.80 | 116.57 | 08/22/2025 | 13:59:53 | -74.54, 139.51 | 116.79 | 51.68 | 69 |
| 8 | 08/22/2025 | 14:49:20 | 74.19, -53.72 | 62.94 | 08/22/2025 | 14:49:18 | 74.17, -53.68 | 62.91 | 2.96 | 2 |
| 9 | 08/22/2025 | 15:39:56 | -73.77, 114.64 | 117.54 | 08/22/2025 | 15:38:45 | -73.83, 113.24 | 117.37 | 43.79 | 71 |
| 10 | 08/25/2025 | 00:20:21 | 74.48, 162.82 | 64.06 | 08/25/2025 | 00:21:32 | 74.37, 163.67 | 63.89 | 27.72 | 71 |
| 11 | 08/25/2025 | 01:11:00 | -74.20, -29.15 | 116.24 | 08/25/2025 | 01:10:56 | -74.20, -29.07 | 116.25 | 2.42 | 4 |
| 12 | 08/25/2025 | 02:01:32 | 73.55, 139.74 | 63.04 | 08/25/2025 | 02:00:25 | 73.60, 137.32 | 63.26 | 76.48 | 67 |
| 13 | 08/27/2025 | 10:42:00 | -74.44,-172.49 | 115.15 | 08/27/2025 | 10:43:11 | -74.34,-171.86 | 115.30 | 21.31 | 71 |
| 14 | 08/27/2025 | 11:32:40 | 74.18, -4.52 | 64.58 | 08/27/2025 | 11:32:32 | 74.16, -4.60 | 64.56 | 3.48 | 8 |
| 15 | 08/27/2025 | 12:23:11 | -73.51, 164.41 | 116.17 | 08/27/2025 | 12:22:04 | -73.57, 161.80 | 115.93 | 82.64 | 67 |
| 16 | 08/29/2025 | 21:03:37 | 74.28,-147.49 | 65.52 | 08/29/2025 | 21:04:47 | 74.28,-147.45 | 65.51 | 1.56 | 70 |
| 17 | 08/29/2025 | 21:54:20 | -74.19, 20.03 | 114.56 | 08/29/2025 | 21:54:10 | -74.17, 19.97 | 114.58 | 2.77 | 10 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/17/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/17/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA