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JPL Small-Body Database Browser
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867 Kovacia (A917 DH)
Classification: Main-belt Asteroid          SPK-ID: 2000867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279327725831096 3.485e-08  
a 3.065424933069773 1.2354e-08 au
q 2.673256622236764 1.077e-07 au
i 5.974944039582885 4.3211e-06 deg
node 46.82107861077527 4.1065e-05 deg
peri 69.9938816211274 4.5875e-05 deg
M 40.42410352687985 1.8968e-05 deg
tp 2458380.373488138322
(2018-Sep-18.87348814)
0.00010317 TDB
period 1960.353782923353
5.37
1.1851e-05
3.245e-08
d
yr
n .1836403220357268 1.1101e-09 deg/d
Q 3.457593243902782 1.3935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2443  
   data-arc span      37397 days (102.39 yr)  
   first obs. used      1917-02-26  
   last obs. used      2019-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:49:49  

Additional Information
 Earth MOID = 1.69731 au 
 Jupiter MOID = 1.67141 au 
 T_jup = 3.212 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.5   n/a MPO384753  
diameter diameter 24.113 km 0.439 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.6772 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.092   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

867 Kovacia (A917 DH)          Discovered 1917-Feb-25 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A917 DH = 1942 XF = 1958 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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