C/2012 OP (Siding Spring)
Basic Information of C/2012 OP (Siding Spring)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 3.642234 |
| Eccentricity | 0.996178 |
| Inclination (deg) | 114.775000 |
| Longitude of ascending node (deg) | 267.430100 |
| Argument of perihelion (deg) | 351.703800 |
| Epoch | 2023-02-25T00:00:00.000 |
| Reference | , MPC orbital elements |
| Period (years) | 29418.176019 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2012-12-03T06:27:21.600 |
| Period (years) | 29418.176019 |
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 | 09:09:03.87 | +64:21:57.1 | 27.357 | 4.37 | 334.9 | HIP 44844 | 12.77 |
| 2025-11-22 | 09:08:56.99 | +64:23:32.2 | 27.351 | 4.41 | 333.8 | HIP 44844 | 11.02 |
| 2025-11-23 | 09:08:49.77 | +64:25:07.2 | 27.345 | 4.45 | 332.7 | HIP 44844 | 9.26 |
| 2025-11-24 | 09:08:42.20 | +64:26:42.2 | 27.339 | 4.49 | 331.7 | HIP 44844 | 7.48 |
| 2025-11-25 | 09:08:34.30 | +64:28:17.2 | 27.333 | 4.53 | 330.7 | HIP 44844 | 5.68 |
| 2025-11-26 | 09:08:26.04 | +64:29:52.1 | 27.328 | 4.57 | 329.7 | HIP 44844 | 3.88 |
| 2025-11-27 | 09:08:17.45 | +64:31:26.9 | 27.322 | 4.61 | 328.7 | HIP 44844 | 2.09 |
| 2025-11-28 | 09:08:08.52 | +64:33:01.4 | 27.317 | 4.65 | 327.7 | HIP 44844 | 0.65 |
| 2025-11-29 | 09:07:59.25 | +64:34:35.8 | 27.312 | 4.69 | 326.7 | HIP 44844 | 1.84 |
| 2025-11-30 | 09:07:49.65 | +64:36:09.9 | 27.307 | 4.73 | 325.8 | HIP 44844 | 3.66 |
| 2025-12-01 | 09:07:39.70 | +64:37:43.8 | 27.302 | 4.77 | 324.8 | HIP 44844 | 5.54 |
| 2025-12-02 | 09:07:29.43 | +64:39:17.3 | 27.297 | 4.81 | 323.9 | HIP 44844 | 7.44 |
| 2025-12-03 | 09:07:18.82 | +64:40:50.5 | 27.293 | 4.85 | 322.9 | HIP 44844 | 9.36 |
| 2025-12-04 | 09:07:07.89 | +64:42:23.3 | 27.288 | 4.88 | 322.0 | HIP 44666 | 7.68 |
| 2025-12-05 | 09:06:56.62 | +64:43:55.7 | 27.284 | 4.92 | 321.1 | HIP 44666 | 5.84 |
| 2025-12-06 | 09:06:45.03 | +64:45:27.6 | 27.280 | 4.96 | 320.2 | HIP 44666 | 4.08 |
| 2025-12-07 | 09:06:33.12 | +64:46:59.1 | 27.276 | 4.96 | 320.2 | HIP 44666 | 2.61 |