| 词条 | 187 Lamberta |
| 释义 |
| minorplanet=yes | mpc_name=(187) Lamberta | background=#D6D6D6 | name=187 Lamberta | pronounced={{IPAc-en|l|æ|m|'|b|ɜr|t|ə}} | discoverer=J. Coggia, 1878 | mp_category=Main belt | semimajor={{Convert|2.7276|AU|Gm|abbr=on}} | perihelion={{Convert|2.0695|AU|Gm|abbr=on}} | aphelion={{Convert|3.3856|AU|Gm|abbr=on|lk=on}} | period=4.50 yr (1645.3 d) | inclination=10.588° | eccentricity=0.24126 | dimensions={{val|130.40|2.7|ul=km}}[1] 131.31 ± 1.08 km | mass={{nowrap|(1.80 ± 0.85) × 1018 kg}} | density=1.51 ± 0.71 g/cm3 | rotation={{Convert|10.670|h|d|abbr=on|lk=on}} | spectral_type=C[5] (Tholen) | abs_magnitude=8.16,[1] 7.980[5] | albedo={{val|0.0566|0.002}}[1] 0.0647 ± 0.0135[5] | discovered=11 April 1878 | epoch=31 July 2016 (JD 2457600.5) | asc_node=21.707° | arg_peri=196.93° | mean_anomaly=217.42° | mean_motion={{Deg2DMS|0.21880|sup=ms}} / day | orbit_ref=[1] | observation_arc=113.41 yr (41424 d) | uncertainty=0 | moid={{Convert|1.0648|AU|Gm|abbr=on}} | jupiter_moid={{Convert|1.60306|AU|Gm|abbr=on}} | tisserand=3.289 }} Lamberta (minor planet designation: 187 Lamberta) is a main-belt asteroid that was discovered by Corsican-born French astronomer Jérôme Eugène Coggia on April 11, 1878, and named after the astronomer Johann Heinrich Lambert. It was the second of Coggia's five asteroid discoveries. The spectrum matches a classification of a C-type asteroid, which may mean it has a composition of primitive carbonaceous materials. It is a dark object as indicated by the low albedo and has an estimated size of about 131 km. References1. ^1 2 3 {{Cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=187;cad=1 |title=187 Lamberta |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=12 May 2016}} See Table 1.[2]2. ^1 2 3 {{Citation | last1 = Pravec | first1 = P. | last2 = Harris | first2 = A. W. | last3 = Kusnirak | first3 = P. | last4 = Galad | first4 = A. | last5 = Hornoch | first5 = K. | display-authors = 1 | title = Absolute Magnitudes of Asteroids and a Revision of Asteroid Albedo Estimates from WISE Thermal Observations | work = Asteroids, Comets, Meteors 2012, Proceedings of the conference held May 16–20, 2012 in Niigata, Japan | issue = 1667 |date=May 2012 | bibcode = 2012LPICo1667.6089P | postscript= .}} See Table 4. }} External links
7 : Background asteroids|Discoveries by Jérôme Coggia|Minor planets named for people|Named minor planets|C-type asteroids (Tholen)|Ch-type asteroids (SMASS)|Astronomical objects discovered in 1878 |
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