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1 References  





2 External links  














654 Zelinda






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654 Zelinda
Discovery
Discovered byAugust Kopff
Discovery siteHeidelberg
Discovery date4 January 1908
Designations

MPC designation

(654) Zelinda

Alternative designations

1908 BM
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc108.29 yr (39553 d)
Aphelion2.8288 AU (423.18 Gm)
Perihelion1.7653 AU (264.09 Gm)

Semi-major axis

2.2970 AU (343.63 Gm)
Eccentricity0.23150

Orbital period (sidereal)

3.48 yr (1271.6 d)

Mean anomaly

51.9052°

Mean motion

0° 16m 59.196s / day
Inclination18.125°

Longitude of ascending node

278.460°

Argument of perihelion

214.008°
Physical characteristics

Mean radius

63.70±1.95 km[1]
63.915 ± 2.615 km[2]
Mass(1.35 ± 0.14) × 1018kg[2]

Mean density

1.23 ± 0.19 g/cm3[2]

Synodic rotation period

31.735 h (1.3223 d)

Geometric albedo

0.0425±0.003

Absolute magnitude (H)

8.52

654 Zelinda is a minor planet orbiting the Sun that was discovered on 4 January 1908 by German astronomer August Kopff. On favorable oppositions, it can be as bright as magnitude 10.0, as on January 30, 2016.

In 1988, this object was detected with radar from the Arecibo Observatory at a distance of 0.89 AU. The measured radar cross-section was 2,200 km2.[3] Measurements made using the adaptive optics system at the W. M. Keck Observatory give a diameter estimate of 131 km. This is 13% smaller than the diameter estimated from the IRAS observatory measurements. It is roughly triangular in shape.[4]

References[edit]

  1. ^ a b "654 Zelinda (1908 BM)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 7 May 2016.
  • ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
  • ^ Ostro, S. J.; et al. (October 1991), "Asteroid radar astrometry", Astronomical Journal, vol. 102, pp. 1490–1502, Bibcode:1991AJ....102.1490O, doi:10.1086/115975.
  • ^ Marchis, F.; et al. (November 2006), "Shape, size and multiplicity of main-belt asteroids. I. Keck Adaptive Optics survey", Icarus, vol. 185, no. 1, pp. 39–63, Bibcode:2006Icar..185...39M, doi:10.1016/j.icarus.2006.06.001, PMC 2600456, PMID 19081813, retrieved 27 March 2013.
  • External links[edit]


  • t
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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=654_Zelinda&oldid=1191447653"

    Categories: 
    Minor planet object articles (numbered)
    Background asteroids
    Discoveries by August Kopff
    Named minor planets
    C-type asteroids (Tholen)
    Ch-type asteroids (SMASS)
    Astronomical objects discovered in 1908
    Main-belt-asteroid stubs
    Hidden categories: 
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    Articles with JPL SBDB identifiers
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    This page was last edited on 23 December 2023, at 16:27 (UTC).

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