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(523719) 2014 LM28, provisional designation 2014 LM28, is a trans-Neptunian object and centaur, approximately 46 kilometers (29 miles) in diameter. It was discovered on 16 May 2013, by the Pan-STARRS 1 survey at Haleakala Observatory, Hawaii, United States.[1] The object's orbit is highly inclined and very eccentric, with a perihelion closer to the Sun than Uranus and at an aphelion 17 times farther from the Sun than Neptune.
| Discovery[1] | |
|---|---|
| Discovered by | Pan-STARRS 1 |
| Discovery site | Haleakala Obs. |
| Discovery date | 16 May 2013 |
| Designations | |
| (523719) 2014 LM28 | |
| TNO[2] · distant[1] centaur[3] | |
| Orbital characteristics[2] | |
| Epoch 27 April 2019 (JD 2458600.5) | |
| Uncertainty parameter 1 | |
| Observation arc | 4.04 yr (1,474 d) |
| Aphelion | 538.89 AU |
| Perihelion | 16.771 AU |
| 277.83 AU | |
| Eccentricity | 0.9396 |
| 4631.05 yr (1,691,491 d) | |
| 0.1133° | |
| 0° 0m 0.72s / day | |
| Inclination | 84.739° |
| 246.18° | |
| 38.364° | |
| Physical characteristics | |
| 46 km[3] | |
| 9.9[1][2] | |
2014 LM28 orbits the Sun at a distance of 16.8–538.9 AU once every 4631 years and 1 month (1,691,491 days; semi-major axis of 277.83 AU). Its orbit has an eccentricity of 0.94 and an inclination of 85° with respect to the ecliptic.[2] The body's observation arc begins with its official discovery observation by Pan-STARRS at Haleakala Observatory in May 2013.[1]
This minor planet was numbered by the Minor Planet Center on 25 September 2018 (M.P.C. 111779).[4] As of 2018, it has not been named.[1]
2014 LM28 has a highly inclined orbit typical of scattered objects and orbits nearly perpendicular to the ecliptic.
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