C/2020 X4 (Leonard)
Basic Information of C/2020 X4 (Leonard)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 5.222944 |
| Eccentricity | 0.871176 |
| Inclination (deg) | 80.666000 |
| Longitude of ascending node (deg) | 161.970200 |
| Argument of perihelion (deg) | 140.273000 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPEC 2021-S45, MPC orbital elements |
| Period (years) | 258.153421 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2020-11-15T07:14:26.880 |
| Period (years) | 258.153421 |
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 | 02:21:13.62 | -58:45:14.4 | 12.169 | 8.26 | 284.8 | HIP 10790 | 33.14 |
| 2025-11-22 | 02:20:49.00 | -58:44:23.6 | 12.181 | 8.22 | 286.4 | HIP 10790 | 32.30 |
| 2025-11-23 | 02:20:24.68 | -58:43:27.8 | 12.193 | 8.19 | 287.9 | HIP 10790 | 31.87 |
| 2025-11-24 | 02:20:00.67 | -58:42:27.2 | 12.205 | 8.16 | 289.5 | HIP 10790 | 31.86 |
| 2025-11-25 | 02:19:37.00 | -58:41:21.8 | 12.216 | 8.13 | 291.1 | HIP 10790 | 32.27 |
| 2025-11-26 | 02:19:13.67 | -58:40:11.5 | 12.228 | 8.10 | 292.6 | HIP 10790 | 33.08 |
| 2025-11-27 | 02:18:50.68 | -58:38:56.6 | 12.240 | 8.07 | 294.2 | HIP 10790 | 34.25 |
| 2025-11-28 | 02:18:28.06 | -58:37:37.0 | 12.252 | 8.05 | 295.8 | HIP 10790 | 35.74 |
| 2025-11-29 | 02:18:05.82 | -58:36:12.8 | 12.264 | 8.02 | 297.4 | HIP 10790 | 37.52 |
| 2025-11-30 | 02:17:43.95 | -58:34:44.1 | 12.276 | 8.00 | 299.0 | HIP 10790 | 39.54 |
| 2025-12-01 | 02:17:22.48 | -58:33:10.9 | 12.288 | 7.99 | 300.6 | HIP 10790 | 41.76 |
| 2025-12-02 | 02:17:01.41 | -58:31:33.3 | 12.300 | 7.97 | 302.2 | HIP 10739 | 43.42 |
| 2025-12-03 | 02:16:40.75 | -58:29:51.3 | 12.312 | 7.96 | 303.8 | HIP 10739 | 42.46 |
| 2025-12-04 | 02:16:20.52 | -58:28:05.1 | 12.324 | 7.95 | 305.3 | HIP 10739 | 41.65 |
| 2025-12-05 | 02:16:00.70 | -58:26:14.7 | 12.337 | 7.94 | 306.9 | HIP 10739 | 40.98 |
| 2025-12-06 | 02:15:41.33 | -58:24:20.2 | 12.349 | 7.93 | 308.5 | HIP 10739 | 40.46 |
| 2025-12-07 | 02:15:22.39 | -58:22:21.5 | 12.361 | 7.93 | 308.5 | HIP 10210 | 38.42 |