C/1989 T1 (Helin-Roman-Alu)
Basic Information of C/1989 T1 (Helin-Roman-Alu)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 1.027775 |
| Eccentricity | 0.989744 |
| Inclination (deg) | 46.739300 |
| Longitude of ascending node (deg) | 9.405100 |
| Argument of perihelion (deg) | 67.263400 |
| Epoch | 2023-02-25T00:00:00.000 |
| Reference | , MPC orbital elements |
| Period (years) | 1003.182751 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 1989-12-06T09:58:19.200 |
| Period (years) | 1003.182751 |
Magnitude
Magnitude Chart Placeholder
Ephemeris
| Date (UTC) | RA (J2000) | Dec (J2000) | Δ (AU) | Motion (arcsec/hr) | Dir (deg) | Nearest HIP | Dist (arcmin) |
|---|---|---|---|---|---|---|---|
| 2025-11-21 | 14:26:31.28 | -52:21:44.1 | 57.182 | 2.66 | 117.8 | HIP 70689 | 13.30 |
| 2025-11-22 | 14:26:37.45 | -52:22:13.9 | 57.183 | 2.66 | 118.4 | HIP 70689 | 12.30 |
| 2025-11-23 | 14:26:43.59 | -52:22:44.2 | 57.184 | 2.66 | 118.9 | HIP 70689 | 11.31 |
| 2025-11-24 | 14:26:49.68 | -52:23:15.1 | 57.185 | 2.65 | 119.5 | HIP 70689 | 10.33 |
| 2025-11-25 | 14:26:55.74 | -52:23:46.4 | 57.185 | 2.65 | 120.0 | HIP 70689 | 9.37 |
| 2025-11-26 | 14:27:01.75 | -52:24:18.2 | 57.185 | 2.64 | 120.6 | HIP 70689 | 8.43 |
| 2025-11-27 | 14:27:07.72 | -52:24:50.5 | 57.185 | 2.64 | 121.2 | HIP 70689 | 7.51 |
| 2025-11-28 | 14:27:13.64 | -52:25:23.2 | 57.185 | 2.63 | 121.7 | HIP 70689 | 6.63 |
| 2025-11-29 | 14:27:19.51 | -52:25:56.4 | 57.184 | 2.62 | 122.3 | HIP 70689 | 5.81 |
| 2025-11-30 | 14:27:25.33 | -52:26:30.1 | 57.183 | 2.62 | 122.9 | HIP 70689 | 5.06 |
| 2025-12-01 | 14:27:31.10 | -52:27:04.2 | 57.182 | 2.61 | 123.5 | HIP 70689 | 4.43 |
| 2025-12-02 | 14:27:36.81 | -52:27:38.8 | 57.181 | 2.60 | 124.1 | HIP 70689 | 3.98 |
| 2025-12-03 | 14:27:42.47 | -52:28:13.7 | 57.179 | 2.59 | 124.7 | HIP 70689 | 3.75 |
| 2025-12-04 | 14:27:48.07 | -52:28:49.1 | 57.177 | 2.58 | 125.2 | HIP 70689 | 3.79 |
| 2025-12-05 | 14:27:53.62 | -52:29:24.9 | 57.175 | 2.57 | 125.8 | HIP 70689 | 4.09 |
| 2025-12-06 | 14:27:59.11 | -52:30:01.0 | 57.173 | 2.57 | 126.4 | HIP 70689 | 4.60 |
| 2025-12-07 | 14:28:04.53 | -52:30:37.6 | 57.171 | 2.57 | 126.4 | HIP 70689 | 5.25 |