C/2013 A1 (Siding Spring)
Basic Information of C/2013 A1 (Siding Spring)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 1.401626 |
| Eccentricity | 1.000114 |
| Inclination (deg) | 128.765000 |
| Longitude of ascending node (deg) | 301.196500 |
| Argument of perihelion (deg) | 2.571500 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPC103843, MPC orbital elements |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2014-10-26T14:21:41.760 |
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 | 09:52:45.28 | +32:41:07.9 | 26.429 | 2.02 | 339.2 | HIP 48464 | 5.13 |
| 2025-11-22 | 09:52:43.91 | +32:41:53.3 | 26.417 | 2.09 | 337.1 | HIP 48464 | 4.57 |
| 2025-11-23 | 09:52:42.37 | +32:42:39.5 | 26.406 | 2.15 | 335.1 | HIP 48464 | 4.11 |
| 2025-11-24 | 09:52:40.64 | +32:43:26.3 | 26.394 | 2.22 | 333.2 | HIP 48464 | 3.80 |
| 2025-11-25 | 09:52:38.74 | +32:44:13.9 | 26.383 | 2.29 | 331.5 | HIP 48464 | 3.70 |
| 2025-11-26 | 09:52:36.66 | +32:45:02.2 | 26.371 | 2.36 | 329.8 | HIP 48464 | 3.84 |
| 2025-11-27 | 09:52:34.40 | +32:45:51.2 | 26.360 | 2.43 | 328.2 | HIP 48464 | 4.23 |
| 2025-11-28 | 09:52:31.96 | +32:46:40.8 | 26.349 | 2.51 | 326.7 | HIP 48464 | 4.80 |
| 2025-11-29 | 09:52:29.35 | +32:47:31.1 | 26.338 | 2.58 | 325.3 | HIP 48464 | 5.53 |
| 2025-11-30 | 09:52:26.55 | +32:48:22.0 | 26.327 | 2.65 | 324.0 | HIP 48464 | 6.38 |
| 2025-12-01 | 09:52:23.58 | +32:49:13.5 | 26.316 | 2.73 | 322.7 | HIP 48464 | 7.31 |
| 2025-12-02 | 09:52:20.44 | +32:50:05.6 | 26.305 | 2.80 | 321.5 | HIP 48464 | 8.30 |
| 2025-12-03 | 09:52:17.11 | +32:50:58.2 | 26.294 | 2.88 | 320.4 | HIP 48464 | 9.36 |
| 2025-12-04 | 09:52:13.62 | +32:51:51.4 | 26.283 | 2.95 | 319.3 | HIP 48464 | 10.46 |
| 2025-12-05 | 09:52:09.94 | +32:52:45.2 | 26.273 | 3.03 | 318.2 | HIP 48464 | 11.61 |
| 2025-12-06 | 09:52:06.10 | +32:53:39.4 | 26.262 | 3.11 | 317.3 | HIP 48464 | 12.80 |
| 2025-12-07 | 09:52:02.08 | +32:54:34.2 | 26.252 | 3.11 | 317.3 | HIP 48464 | 14.03 |