Astronomy:(52760) 1998 ML14
| Discovery[1] | |
|---|---|
| Discovered by | LINEAR |
| Discovery site | Lincoln Lab's ETS |
| Discovery date | 24 June 1998 |
| Designations | |
| (52760) 1998 ML14 | |
| 1998 ML14 | |
| Minor planet category | NEO · Apollo[1][2] · PHA[1][2] |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 15.54 yr (5,676 days) |
| |{{{apsis}}}|helion}} | 3.9104 AU |
| |{{{apsis}}}|helion}} | 0.9071 AU |
| 2.4088 AU | |
| Eccentricity | 0.6234 |
| Orbital period | 3.74 yr (1,366 days) |
| Mean anomaly | 21.557° |
| Mean motion | 0° 15m 48.96s / day |
| Inclination | 2.4274° |
| Longitude of ascending node | 338.72° |
| 20.324° | |
| Earth MOID | 0.0167 AU · 6.5 LD |
| Physical characteristics | |
| Dimensions | 1.0±0.05 km[3] 0.81±0.16 km[4] 1.17 km (derived)[5] |
| Rotation period | 14.98±0.06 h[6] 14.98±0.06 h[7] 14.28±0.01 h[8] |
| Geometric albedo | 0.27±0.24[4] 0.20 (assumed)[5] |
| S (Tholen)[5] | |
| Absolute magnitude (H) | 16.93±0.01[7] · 17.02[5][6] · 17.5[1] |
(52760) 1998 ML14 (provisional designation 1998 ML14) is a stony asteroid, classified as near-Earth object of the Apollo group and potentially hazardous asteroid, approximately 1 kilometer in diameter. It was discovered on 24 June 1998, by the LINEAR survey at the Lincoln Laboratory's Experimental Test Site in Socorro, New Mexico.[2]
Description
1998 ML14 orbits the Sun at a distance of 0.9–3.9 AU once every 3 years and 9 months (1,366 days). Its orbit has an eccentricity of 0.62 and an inclination of 2° with respect to the ecliptic.[1] It is also a Mars-crossing asteroid.
Shortly after its discovery, 1998 ML14 was imaged by radar at Goldstone and Arecibo.[9]
The study showed that the asteroid has a rotation period of 15 hours, and a shape that is roughly spherical, with some steep protrusions and large craters.[6][7][8]
On 24 August 2013 it passed at a distance of 21.9 Lunar distances.[1] It was hoped to be observed by Goldstone radar.[10]
Numbering and naming
This minor planet was numbered by the Minor Planet Center on 16 February 2003.[11] As of 2018, it has not been named.[2]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "JPL Small-Body Database Browser: 52760 (1998 ML14)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2052760. Retrieved 23 October 2017.
- ↑ 2.0 2.1 2.2 2.3 "52760 (1998 ML14)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=52760. Retrieved 23 October 2017.
- ↑ Ostro, Steven J.; Hudson, R. Scott; Benner, Lance A. M.; Nolan, Michael C.; Giorgini, Jon D.; Scheeres, Daniel J. et al. (September 2001). "Radar observations of asteroid 1998 ML14". Meteoritics and Planetary Science 36 (9): 1225–1236. doi:10.1111/j.1945-5100.2001.tb01956.x. Bibcode: 2001M&PS...36.1225O.
- ↑ 4.0 4.1 Mueller, Michael; Delbo', M.; Hora, J. L.; Trilling, D. E.; Bhattacharya, B.; Bottke, W. F. et al. (April 2011). "ExploreNEOs. III. Physical Characterization of 65 Potential Spacecraft Target Asteroids". The Astronomical Journal 141 (4): 9. doi:10.1088/0004-6256/141/4/109. Bibcode: 2011AJ....141..109M. https://authors.library.caltech.edu/23152/1/Mueller2011p13239Astron_J.pdf.
- ↑ 5.0 5.1 5.2 5.3 "LCDB Data for (52760)". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=52760%7C. Retrieved 23 October 2017.
- ↑ 6.0 6.1 6.2 Hicks, M. D.; Weissman, P. R.; Rabinowitz, D. L.; Chamberlin, A. B.; Buratti, B. J.; Lee, C. O. (September 1998). "Close Encounters: Observations of the Earth-crossing Asteroids 1998 KY26 and 1998 ML14.". American Astronomical Society 30: 1029. Bibcode: 1998DPS....30.1006H.
- ↑ 7.0 7.1 7.2 Hicks, M.; Weissman, P. (August 1998). "1998 ML_14". IAU Circ. 6987 (6987): 1. Bibcode: 1998IAUC.6987....1H.
- ↑ 8.0 8.1 Warner, Brian D. (April 2014). "Near-Earth Asteroid Lightcurve Analysis at CS3-Palmer Divide Station: 2013 September–December". The Minor Planet Bulletin 41 (2): 113–124. ISSN 1052-8091. PMID 32494788. Bibcode: 2014MPBu...41..113W.
- ↑ "NEA CIRCULAR POLARIZATION RATIO RANKING". Asteroid Radar Research. 11 April 2006. http://echo.jpl.nasa.gov/~lance/asteroid_radar_properties/nea.sc_oc.html. Retrieved 15 December 2009.
- ↑ Goldstone radar
- ↑ "MPC/MPO/MPS Archive". Minor Planet Center. https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html. Retrieved 24 February 2018.
External links
- Asteroid Lightcurve Database (LCDB), query form (info )
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- (52760) 1998 ML14 at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
- (52760) 1998 ML14 at ESA–space situational awareness
- (52760) 1998 ML14 at the JPL Small-Body Database
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