136 Austria References External links Navigation menu"136 Austria""JPL Small-Body Database Browser: 136 Austria""Asteroid 136 Austria"1983A&A...117..362S2001P&SS...49..777A10.1016/S0032-0633(01)00027-71994LPI....25..265C2005Icar..175..141H10.1016/j.icarus.2004.10.017Courbes de rotation d'astéroïdes et de comètes136 AustriaEphemerisObservation predictionOrbital infoProper elementsObservational info136 AustriaClose approachDiscoveryEphemerisOrbit diagramOrbital elementsPhysical parameterseeexpanding ite

135 Hertha136 Austria137 Meliboea


Minor planet object articles (numbered)Background asteroidsDiscoveries by Johann PalisaMinor planets named for placesNamed minor planetsM-type asteroids (Tholen)Xe-type asteroids (SMASS)Astronomical objects discovered in 1874Main-belt-asteroid stubs


minor planet designationmain-beltasteroidJohann PalisaAustrian Naval ObservatoryPolaIstriahomelandM-type spectrumS-type asteroidenstatite chondritePhotometricEuropean Southern Observatorylight curvemagnitude





















































136 Austria
Discovery [1]
Discovered byJohann Palisa
Discovery siteAustrian Naval Obs.
Discovery date18 March 1874
Designations
MPC designation(136) Austria
Named after
Austria
Alternative designations
1950 HT
Minor planet category

main-belt [1][2] · (inner)
background [3]

Orbital characteristics [2]

Epoch 23 March 2018 (JD 2458200.5)

Uncertainty parameter 0
Observation arc141.11 yr (51,539 d)
Aphelion2.4812 AU
Perihelion2.0927 AU
Semi-major axis
2.2869 AU
Eccentricity0.0849
Orbital period
3.46 yr (1,263 d)
Mean anomaly
102.82°
Mean motion
0° 17m 6s / day
Inclination9.5788°
Longitude of ascending node
186.46°
Argument of perihelion
132.95°

Physical characteristics
Mean diameter

7004401400000000000♠40.14±1.0 km[2]
40.14 km[4]
Mass6.8×1016 kg
Rotation period
11.4969 h (0.47904 d)[2]
Geometric albedo

6999145900000000000♠0.1459±0.007[2]
0.1459[4]
Spectral type

M[4]
Absolute magnitude (H)
9.69

Austria (minor planet designation: 136 Austria) is a main-belt asteroid that was found by the prolific asteroid discoverer Johann Palisa on 18 March 1874, from the Austrian Naval Observatory in Pola, Istria.[5] It was his first asteroid discovery and was given the Latin name of his homeland.


Based upon its spectrum, it is classified as an M-type spectrum, although Clark et al. (1994) suggest it may be more like an S-type asteroid.[6] It shows almost no absorption features in the near infrared, which may indicate an iron or enstatite chondrite surface composition. A weak hydration feature was detected in 2006.[7]


Photometric observations of this asteroid at the European Southern Observatory in 1981 gave a light curve with a period of 11.5 ± 0.1 hours and a brightness variation of 0.40 in magnitude.[4] As of 2013, the estimated rotation period is 11.4969[8] hours.



References




  1. ^ ab "136 Austria". Minor Planet Center. Retrieved 29 May 2018..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  2. ^ abcde "JPL Small-Body Database Browser: 136 Austria" (2018-02-26 last obs.). Jet Propulsion Laboratory. Retrieved 29 May 2018.


  3. ^ "Asteroid 136 Austria". Small Bodies Data Ferret. Retrieved 29 May 2018.


  4. ^ abcd Schober, H. J. (January 1983), "Rotation periods and lightcurves of the asteroids 136 Austria and 238 Hypatia", Astronomy and Astrophysics, 117 (2), pp. 362–364, Bibcode:1983A&A...117..362S.


  5. ^ Albrecht, R.; et al. (July 2001), "Early asteroid research in Austria", Planetary and Space Science, 49 (8), pp. 777–779, Bibcode:2001P&SS...49..777A, doi:10.1016/S0032-0633(01)00027-7.


  6. ^ Clark, B. E.; et al. (March 1994), "Infrared Spectral Observations of Smaller (50 km) Main Belt S, K, and M Type Asteroids", Abstracts of the 25th Lunar and Planetary Science Conference, held in Houston, TX, 14–18 March 1994, pp. 265–266, Bibcode:1994LPI....25..265C.


  7. ^ Hardersen, Paul S.; Gaffey, Michael J.; Abell, Paul A. (January 1983), "Near-IR spectral evidence for the presence of iron-poor orthopyroxenes on the surfaces of six M-type asteroids", Icarus, 175 (1), pp. 141–158, Bibcode:2005Icar..175..141H, doi:10.1016/j.icarus.2004.10.017.


  8. ^ Behrend, Raoul, Courbes de rotation d'astéroïdes et de comètes (in French), Observatoire de Genève, retrieved 2013-03-30




External links



  • 136 Austria at AstDyS-2, Asteroids—Dynamic Site

    • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info


  • 136 Austria at the JPL Small-Body Database Edit this at Wikidata

    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters








Astronomical objects discovered in 1874, Background asteroids, Discoveries by Johann Palisa, M-type asteroids (Tholen), Main-belt-asteroid stubs, Minor planet object articles (numbered), Minor planets named for places, Named minor planets, Xe-type asteroids (SMASS)Uncategorized
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