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JPL Small-Body Database Browser
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553 Kundry (A904 YA)
Classification: Main-belt Asteroid          SPK-ID: 2000553
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100577253498839 3.8082e-08  
a 2.230630075581401 5.9858e-09 au
q 1.985132003365873 8.5371e-08 au
i 5.389819344513493 4.0552e-06 deg
node 72.37304480848807 4.3645e-05 deg
peri 354.3392668144689 4.751e-05 deg
M 127.0223184677253 1.9042e-05 deg
tp 2458171.144241751757
(2018-Feb-21.64424175)		 6.4167e-05 TDB
period 1216.857595058313
3.33		 4.898e-06
1.341e-08		 d
yr
n .2958439849181764 1.1908e-09 deg/d
Q 2.47612814779693 6.6445e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2440  
   data-arc span      41871 days (114.64 yr)  
   first obs. used      1904-12-27  
   last obs. used      2019-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39707  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:09:47  

Additional Information
 Earth MOID = .998781 au 
 Jupiter MOID = 2.76715 au 
 T_jup = 3.628 
[ 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 12.2   n/a MPO384749  
diameter diameter 9.010 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.605 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2005) Minor Planet Bull. 32, 66-68.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
geometric albedo albedo 0.287   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

553 Kundry (A904 YA)          Discovered 1904-Dec-27 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A904 YA = 1932 CL = 1957 UB 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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