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44530 Horakova (1998 YC8)
Classification: Main-belt Asteroid          SPK-ID: 2044530
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2262966601283549 8.6995e-08  
a 2.580733495897376 2.4229e-08 AU
q 1.996722125094426 2.384e-07 AU
i 11.67423302638413 6.9411e-06 deg
node 280.7994724278983 3.3043e-05 deg
peri 88.08065673445196 3.7406e-05 deg
M 349.8461031241463 2.0155e-05 deg
tp 2457043.211361193380
(2015-Jan-20.71136119)
8.5209e-05 JED
period 1514.304332377214
4.15
2.1325e-05
5.838e-08
d
yr
n .2377329261383397 3.3479e-09 deg/d
Q 3.164744866700326 2.9712e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      10626 days (29.09 yr)  
   first obs. used      1985-07-21  
   last obs. used      2014-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49464  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:45:58  

Additional Information
 Earth MOID = 1.0364 AU 
 T_jup = 3.360 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO302319  
rotation period rot_per 160. h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

44530 Horáková           Discovered 1998 Dec. 25 by J. Tichá and M. Tichý at Klet.
Czech lawyer Milada Horáková (1901-1950) was a human and women's rights activist in the interwar and postwar periods and founder of the Czech women's journal Vlasta. She joined the Czech anti-Nazi resistance, survived Nazi imprisonment (1940-1945) and later was unjustly executed in communist Czechoslovakia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100726/MPCPages.arcLast Updated: 2010-07-28

Alternate Designations
 1998 YC8 = 1985 ON 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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