257P/Catalina
Basic Information of 257P/Catalina
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | P |
| Perihelion distance (AU) | 2.153058 |
| Eccentricity | 0.428688 |
| Inclination (deg) | 20.213700 |
| Longitude of ascending node (deg) | 207.731900 |
| Argument of perihelion (deg) | 117.699000 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPEC 2025-W75, MPC orbital elements |
| Period (years) | 7.315998 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2028-01-01T15:39:10.080 |
| Period (years) | 7.315998 |
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 | 12:34:36.39 | -11:51:59.6 | 5.312 | 29.61 | 111.6 | HIP 61449 | 16.70 |
| 2025-11-22 | 12:35:21.40 | -11:56:21.5 | 5.298 | 29.41 | 111.7 | HIP 61449 | 5.69 |
| 2025-11-23 | 12:36:06.11 | -12:00:42.0 | 5.283 | 29.21 | 111.7 | HIP 61486 | 4.75 |
| 2025-11-24 | 12:36:50.51 | -12:05:00.9 | 5.269 | 29.00 | 111.7 | HIP 61486 | 14.14 |
| 2025-11-25 | 12:37:34.60 | -12:09:18.2 | 5.254 | 28.78 | 111.7 | HIP 61649 | 17.31 |
| 2025-11-26 | 12:38:18.37 | -12:13:33.9 | 5.239 | 28.56 | 111.8 | HIP 61649 | 9.57 |
| 2025-11-27 | 12:39:01.82 | -12:17:47.9 | 5.224 | 28.34 | 111.8 | HIP 61649 | 12.13 |
| 2025-11-28 | 12:39:44.92 | -12:22:00.1 | 5.209 | 28.11 | 111.8 | HIP 61649 | 21.44 |
| 2025-11-29 | 12:40:27.69 | -12:26:10.6 | 5.194 | 27.88 | 111.8 | HIP 61801 | 27.84 |
| 2025-11-30 | 12:41:10.11 | -12:30:19.2 | 5.179 | 27.64 | 111.8 | HIP 61801 | 28.84 |
| 2025-12-01 | 12:41:52.17 | -12:34:25.9 | 5.163 | 27.40 | 111.9 | HIP 61910 | 27.84 |
| 2025-12-02 | 12:42:33.87 | -12:38:30.6 | 5.148 | 27.16 | 111.9 | HIP 61910 | 29.30 |
| 2025-12-03 | 12:43:15.20 | -12:42:33.4 | 5.132 | 26.91 | 111.9 | HIP 62125 | 27.79 |
| 2025-12-04 | 12:43:56.15 | -12:46:34.1 | 5.116 | 26.65 | 111.9 | HIP 62125 | 21.95 |
| 2025-12-05 | 12:44:36.72 | -12:50:32.8 | 5.100 | 26.39 | 111.9 | HIP 62125 | 20.53 |
| 2025-12-06 | 12:45:16.91 | -12:54:29.3 | 5.084 | 26.13 | 112.0 | HIP 62125 | 24.20 |
| 2025-12-07 | 12:45:56.69 | -12:58:23.6 | 5.068 | 26.13 | 112.0 | HIP 62125 | 31.11 |