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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2260998964314442 6.4583e-08  
a 2.580685774239091 1.8339e-08 au
q 1.997192987961531 1.7553e-07 au
i 11.67326024291236 6.6165e-06 deg
node 280.7964860584969 2.8022e-05 deg
peri 88.12470267621811 3.3155e-05 deg
M 84.92475402018844 1.8291e-05 deg
tp 2457043.282344750593
(2015-Jan-20.78234475)
7.4554e-05 JED
period 1514.262329911677
4.15
1.6141e-05
4.419e-08
d
yr
n .2377395203517993 2.5342e-09 deg/d
Q 3.164178560516651 2.2486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1135  
   data-arc span      11108 days (30.41 yr)  
   first obs. used      1985-07-21  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51536  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:50:56  

Additional Information
 Earth MOID = 1.03518 au 
 Jupiter MOID = 2.47134 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 13.2 mag n/a MPO359032  
rotation period rot_per 160. h n/a LCDB (Rev. 2015-December); Warner et al., 2009 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 Kleť.
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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