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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2263907264832415 8.852e-08  
a 2.580983333638074 2.5346e-08 AU
q 1.996672641694612 2.4124e-07 AU
i 11.67456118868555 6.9976e-06 deg
node 280.8010815888341 3.7156e-05 deg
peri 88.0791892697483 4.0584e-05 deg
M 302.3098285475604 2.0242e-05 deg
tp 2457043.203229913346
(2015-Jan-20.70322991)
8.774e-05 JED
period 1514.524234701502
4.15
2.231e-05
6.108e-08
d
yr
n .2376984083526088 3.5014e-09 deg/d
Q 3.165294025581536 3.1084e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      10576 days (28.96 yr)  
   first obs. used      1985-07-21  
   last obs. used      2014-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49562  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:27:51  

Additional Information
 Earth MOID = 1.03503 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 13.0 mag n/a MPO267853  
rotation period rot_per 160. h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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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