C/2009 O4 (Hill)
Basic Information of C/2009 O4 (Hill)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 2.571589 |
| Eccentricity | 1.000467 |
| Inclination (deg) | 96.210800 |
| Longitude of ascending node (deg) | 173.081900 |
| Argument of perihelion (deg) | 223.708700 |
| Epoch | 2023-02-25T00:00:00.000 |
| Reference | , MPC orbital elements |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2010-01-01T08:02:06.720 |
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 | 11:53:49.71 | +12:48:33.4 | 33.574 | 2.05 | 81.7 | HIP 57941 | 38.96 |
| 2025-11-22 | 11:53:53.03 | +12:48:40.4 | 33.562 | 1.99 | 80.5 | HIP 57941 | 39.13 |
| 2025-11-23 | 11:53:56.26 | +12:48:48.3 | 33.551 | 1.94 | 79.2 | HIP 57941 | 39.30 |
| 2025-11-24 | 11:53:59.38 | +12:48:57.1 | 33.539 | 1.88 | 77.8 | HIP 57941 | 39.45 |
| 2025-11-25 | 11:54:02.40 | +12:49:06.6 | 33.527 | 1.83 | 76.3 | HIP 57941 | 39.60 |
| 2025-11-26 | 11:54:05.31 | +12:49:17.0 | 33.515 | 1.78 | 74.7 | HIP 57941 | 39.74 |
| 2025-11-27 | 11:54:08.12 | +12:49:28.3 | 33.503 | 1.72 | 73.0 | HIP 57941 | 39.86 |
| 2025-11-28 | 11:54:10.83 | +12:49:40.3 | 33.490 | 1.67 | 71.3 | HIP 57941 | 39.98 |
| 2025-11-29 | 11:54:13.43 | +12:49:53.2 | 33.478 | 1.62 | 69.4 | HIP 57941 | 40.08 |
| 2025-11-30 | 11:54:15.92 | +12:50:06.9 | 33.466 | 1.57 | 67.3 | HIP 57941 | 40.17 |
| 2025-12-01 | 11:54:18.30 | +12:50:21.5 | 33.453 | 1.53 | 65.2 | HIP 57941 | 40.24 |
| 2025-12-02 | 11:54:20.57 | +12:50:36.9 | 33.441 | 1.48 | 62.9 | HIP 57941 | 40.30 |
| 2025-12-03 | 11:54:22.74 | +12:50:53.1 | 33.428 | 1.44 | 60.5 | HIP 57941 | 40.34 |
| 2025-12-04 | 11:54:24.79 | +12:51:10.1 | 33.415 | 1.40 | 57.9 | HIP 57941 | 40.36 |
| 2025-12-05 | 11:54:26.74 | +12:51:27.9 | 33.403 | 1.36 | 55.1 | HIP 57941 | 40.37 |
| 2025-12-06 | 11:54:28.57 | +12:51:46.6 | 33.390 | 1.33 | 52.2 | HIP 57941 | 40.36 |
| 2025-12-07 | 11:54:30.29 | +12:52:06.1 | 33.377 | 1.33 | 52.2 | HIP 57941 | 40.32 |