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.

187 Lamberta
Discovery
Discovered byJ. Coggia, 1878
Discovery date11 April 1878
Designations
MPC designation(187) Lamberta
Pronunciation/læmˈbɜːrtə/
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc113.41 yr (41424 d)
Aphelion3.3856 AU (506.48 Gm)
Perihelion2.0695 AU (309.59 Gm)
2.7276 AU (408.04 Gm)
Eccentricity0.24126
4.50 yr (1645.3 d)
217.42°
0° 13m 7.68s / day
Inclination10.588°
21.707°
196.93°
Earth MOID1.0648 AU (159.29 Gm)
Jupiter MOID1.60306 AU (239.814 Gm)
TJupiter3.289
Physical characteristics
Dimensions130.40±2.7 km[1]
131.31 ± 1.08 km[2]
Mass(1.80 ± 0.85) × 1018 kg[2]
Mean density
1.51 ± 0.71 g/cm3[2]
10.670 h (0.4446 d)
0.0566±0.002[1]
0.0647 ± 0.0135[3]
C[3] (Tholen)
8.16,[1] 7.980[3]

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.[2]

ReferencesEdit

  1. ^ a b c d "187 Lamberta". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
  2. ^ a b c d Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
  3. ^ a b c Pravec, P.; et al. (May 2012), "Absolute Magnitudes of Asteroids and a Revision of Asteroid Albedo Estimates from WISE Thermal Observations", Asteroids, Comets, Meteors 2012, Proceedings of the conference held May 16–20, 2012 in Niigata, Japan (1667), Bibcode:2012LPICo1667.6089P. See Table 4.

External linksEdit