31P/Schwassmann-Wachmann
Basic Information of 31P/Schwassmann-Wachmann
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | P |
| Perihelion distance (AU) | 3.411077 |
| Eccentricity | 0.193592 |
| Inclination (deg) | 4.549800 |
| Longitude of ascending node (deg) | 114.113500 |
| Argument of perihelion (deg) | 17.974000 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPEC 2025-W75, MPC orbital elements |
| Period (years) | 8.699715 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2028-03-18T23:57:50.400 |
| Period (years) | 8.699715 |
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 | 00:24:48.04 | -03:03:06.2 | 3.809 | 6.22 | 269.3 | HIP 1873 | 17.04 |
| 2025-11-22 | 00:24:38.07 | -03:03:08.0 | 3.821 | 5.69 | 271.8 | HIP 1873 | 14.55 |
| 2025-11-23 | 00:24:28.95 | -03:03:03.7 | 3.832 | 5.17 | 274.8 | HIP 1873 | 12.27 |
| 2025-11-24 | 00:24:20.69 | -03:02:53.3 | 3.844 | 4.67 | 278.4 | HIP 1873 | 10.22 |
| 2025-11-25 | 00:24:13.29 | -03:02:36.9 | 3.856 | 4.18 | 282.9 | HIP 1873 | 8.40 |
| 2025-11-26 | 00:24:06.76 | -03:02:14.4 | 3.868 | 3.73 | 288.6 | HIP 1873 | 6.84 |
| 2025-11-27 | 00:24:01.10 | -03:01:45.8 | 3.880 | 3.32 | 295.6 | HIP 1873 | 5.58 |
| 2025-11-28 | 00:23:56.30 | -03:01:11.3 | 3.892 | 2.98 | 304.5 | HIP 1873 | 4.70 |
| 2025-11-29 | 00:23:52.37 | -03:00:30.9 | 3.905 | 2.72 | 315.4 | HIP 1873 | 4.31 |
| 2025-11-30 | 00:23:49.31 | -02:59:44.5 | 3.917 | 2.57 | 327.9 | HIP 1873 | 4.42 |
| 2025-12-01 | 00:23:47.12 | -02:58:52.2 | 3.930 | 2.56 | 341.2 | HIP 1873 | 4.95 |
| 2025-12-02 | 00:23:45.80 | -02:57:54.1 | 3.943 | 2.68 | 353.9 | HIP 1873 | 5.76 |
| 2025-12-03 | 00:23:45.34 | -02:56:50.2 | 3.956 | 2.91 | 5.0 | HIP 1873 | 6.77 |
| 2025-12-04 | 00:23:45.75 | -02:55:40.6 | 3.969 | 3.24 | 14.2 | HIP 1873 | 7.93 |
| 2025-12-05 | 00:23:47.02 | -02:54:25.2 | 3.982 | 3.63 | 21.5 | HIP 1873 | 9.22 |
| 2025-12-06 | 00:23:49.15 | -02:53:04.2 | 3.995 | 4.06 | 27.3 | HIP 1873 | 10.66 |
| 2025-12-07 | 00:23:52.13 | -02:51:37.6 | 4.008 | 4.06 | 27.3 | HIP 1873 | 12.23 |