421P/McNaught
Basic Information of 421P/McNaught
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | P |
| Perihelion distance (AU) | 1.652209 |
| Eccentricity | 0.674377 |
| Inclination (deg) | 10.075000 |
| Longitude of ascending node (deg) | 55.318300 |
| Argument of perihelion (deg) | 259.842300 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPEC 2025-W75, MPC orbital elements |
| Period (years) | 11.429438 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2032-06-28T09:27:41.293 |
| Period (years) | 11.429438 |
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 | 09:19:21.68 | +26:04:35.0 | 8.055 | 3.54 | 353.5 | HIP 45723 | 10.63 |
| 2025-11-22 | 09:19:20.97 | +26:05:59.3 | 8.040 | 3.68 | 348.9 | HIP 45723 | 9.21 |
| 2025-11-23 | 09:19:19.71 | +26:07:26.0 | 8.025 | 3.84 | 344.7 | HIP 45723 | 7.74 |
| 2025-11-24 | 09:19:17.91 | +26:08:54.9 | 8.010 | 4.02 | 340.9 | HIP 45723 | 6.23 |
| 2025-11-25 | 09:19:15.56 | +26:10:26.1 | 7.995 | 4.22 | 337.4 | HIP 45723 | 4.68 |
| 2025-11-26 | 09:19:12.67 | +26:11:59.5 | 7.980 | 4.42 | 334.2 | HIP 45723 | 3.18 |
| 2025-11-27 | 09:19:09.23 | +26:13:35.0 | 7.965 | 4.65 | 331.3 | HIP 45723 | 2.06 |
| 2025-11-28 | 09:19:05.25 | +26:15:12.8 | 7.950 | 4.87 | 328.6 | HIP 45723 | 2.27 |
| 2025-11-29 | 09:19:00.71 | +26:16:52.6 | 7.936 | 5.11 | 326.2 | HIP 45723 | 3.73 |
| 2025-11-30 | 09:18:55.64 | +26:18:34.6 | 7.921 | 5.36 | 324.0 | HIP 45723 | 5.62 |
| 2025-12-01 | 09:18:50.01 | +26:20:18.6 | 7.907 | 5.61 | 322.0 | HIP 45723 | 7.70 |
| 2025-12-02 | 09:18:43.85 | +26:22:04.6 | 7.893 | 5.86 | 320.1 | HIP 45723 | 9.92 |
| 2025-12-03 | 09:18:37.13 | +26:23:52.5 | 7.879 | 6.12 | 318.4 | HIP 45723 | 12.25 |
| 2025-12-04 | 09:18:29.88 | +26:25:42.4 | 7.865 | 6.38 | 316.9 | HIP 45723 | 14.70 |
| 2025-12-05 | 09:18:22.09 | +26:27:34.2 | 7.851 | 6.65 | 315.4 | HIP 45723 | 17.25 |
| 2025-12-06 | 09:18:13.75 | +26:29:27.9 | 7.837 | 6.91 | 314.1 | HIP 45723 | 19.91 |
| 2025-12-07 | 09:18:04.87 | +26:31:23.3 | 7.824 | 6.91 | 314.1 | HIP 45723 | 22.68 |