C/2018 U1 (Lemmon)
Basic Information of C/2018 U1 (Lemmon)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 4.983893 |
| Eccentricity | 0.999757 |
| Inclination (deg) | 108.326200 |
| Longitude of ascending node (deg) | 75.509300 |
| Argument of perihelion (deg) | 180.317500 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPC184408, MPC orbital elements |
| Period (years) | 2937268.543911 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2021-11-01T20:17:48.480 |
| Period (years) | 2937268.543911 |
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 | 08:10:21.81 | -54:13:05.3 | 11.393 | 12.00 | 229.0 | HIP 40188 | 19.63 |
| 2025-11-22 | 08:09:56.98 | -54:16:14.0 | 11.392 | 12.08 | 230.1 | HIP 39766 | 23.63 |
| 2025-11-23 | 08:09:31.55 | -54:19:19.6 | 11.392 | 12.15 | 231.3 | HIP 39766 | 22.53 |
| 2025-11-24 | 08:09:05.51 | -54:22:21.8 | 11.391 | 12.22 | 232.4 | HIP 39766 | 22.36 |
| 2025-11-25 | 08:08:38.89 | -54:25:20.7 | 11.390 | 12.30 | 233.5 | HIP 39766 | 23.15 |
| 2025-11-26 | 08:08:11.68 | -54:28:16.1 | 11.389 | 12.37 | 234.6 | HIP 39774 | 21.71 |
| 2025-11-27 | 08:07:43.89 | -54:31:07.9 | 11.388 | 12.44 | 235.7 | HIP 39774 | 18.42 |
| 2025-11-28 | 08:07:15.52 | -54:33:56.0 | 11.387 | 12.52 | 236.8 | HIP 39774 | 16.07 |
| 2025-11-29 | 08:06:46.58 | -54:36:40.3 | 11.387 | 12.59 | 237.9 | HIP 39774 | 15.15 |
| 2025-11-30 | 08:06:17.09 | -54:39:20.7 | 11.386 | 12.66 | 239.0 | HIP 39774 | 15.93 |
| 2025-12-01 | 08:05:47.04 | -54:41:57.2 | 11.385 | 12.74 | 240.1 | HIP 39774 | 18.22 |
| 2025-12-02 | 08:05:16.45 | -54:44:29.6 | 11.384 | 12.81 | 241.1 | HIP 39496 | 17.04 |
| 2025-12-03 | 08:04:45.32 | -54:46:57.8 | 11.384 | 12.89 | 242.2 | HIP 39496 | 13.15 |
| 2025-12-04 | 08:04:13.66 | -54:49:21.8 | 11.383 | 12.96 | 243.3 | HIP 39496 | 10.45 |
| 2025-12-05 | 08:03:41.48 | -54:51:41.5 | 11.382 | 13.04 | 244.3 | HIP 39496 | 10.03 |
| 2025-12-06 | 08:03:08.79 | -54:53:56.7 | 11.382 | 13.11 | 245.4 | HIP 39333 | 10.10 |
| 2025-12-07 | 08:02:35.59 | -54:56:07.5 | 11.381 | 13.11 | 245.4 | HIP 39333 | 6.18 |