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754 Malabar

From Wikipedia, the free encyclopedia
Minor planet orbiting the sun

754 Malabar
Discovery
Discovered byAugust Kopff
Discovery siteHeidelberg
Discovery date22 August 1906
Designations
(754) Malabar
Pronunciation/mæləˈbɑːr/[1]
Named after
Mount Malabar,West Java[2]
1906 UT
Orbital characteristics[3]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc114.41 yr (41,787 d)
Aphelion3.1294 AU (468.15 Gm)
Perihelion2.8436 AU (425.40 Gm)
2.9865 AU (446.77 Gm)
Eccentricity0.047851
5.16 yr (1,885.1 d)
326.44°
0° 11m 27.492s / day
Inclination24.565°
180.049°
302.528°
Earth MOID1.89316 AU (283.213 Gm)
Jupiter MOID1.90731 AU (285.330 Gm)
TJupiter3.119
Physical characteristics
43.81±2.8km
11.740 h (0.4892 d)
0.0485±0.007
Ch[4]
9.19

754 Malabar is aminor planet orbiting theSun. It was discovered in 1906 by German astronomerAugust Kopff from Heidelberg, and was named in honor of a Dutch-Germansolar eclipse expedition toChristmas Island in 1922. Malabar is the name of acity andmountain in Indonesia.[5] This object is orbiting at a distance of2.99 AU from the Sun with aperiod of 5.16 years and aneccentricity (ovalness) of 0.048. Itsorbital plane is inclined at an angle of 24.6° to theplane of the ecliptic.[3]

Photometric measurements of this asteroid made in 2003 resulted in alight curve showing arotation period of11.740±0.005 h and a brightness variation of0.45±0.03 in magnitude.[5] This is aCh-class asteroid in theBus asteroid taxonomy, showing a broad absorption band in itscarbonaceous spectrum near a wavelength of 0.7 μm. This feature is interpreted as due to iron-bearingphyllosilicates on the surface. 754 Malabar spans a girth of 102.8 km.[4] Between 2002 and 2022, 754 Malabar has been observed tooccult sixteen stars.

References

[edit]
  1. ^Noah Webster (1884)A Practical Dictionary of the English Language
  2. ^(in Indonesian)http://langitselatan.com/2011/01/12/nama-nama-indonesia-pun-tertera-di-angkasa/
  3. ^ab"754 Malabar (1906 UT)".JPL Small-Body Database.NASA/Jet Propulsion Laboratory. Retrieved5 May 2016.
  4. ^abRivkin, Andrew S.; et al. (December 2015), "The Ch-class Asteroids: Connecting a Visible Taxonomic Class to a 3 μm Band Shape",The Astronomical Journal,150 (6): 14,arXiv:1511.01196,Bibcode:2015AJ....150..198R,doi:10.1088/0004-6256/150/6/198, 198.
  5. ^abStephens, Robert D. (December 2003), "Photometry of 628 Christine, 754 Malabar, 815 Coppelia, and 1025 Riema",Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers,30 (4):69–70,Bibcode:2003MPBu...30...69S.

External links

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