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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109320842562496 3.7884e-08  
a 2.23166140068339 6.1043e-09 au
q 1.987694296046482 8.4797e-08 au
i 5.386856925546579 4.0464e-06 deg
node 72.36311533707882 4.3639e-05 deg
peri 354.61750124999 4.7579e-05 deg
M 244.9752757533709 1.9304e-05 deg
tp 2459389.571643626434
(2021-Jun-24.07164363)
6.5522e-05 TDB
period 1217.701608266372
3.33
4.9962e-06
1.368e-08
d
yr
n .2956389295670948 1.213e-09 deg/d
Q 2.475628505320299 6.7716e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2444  
   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      .39973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:30:28  

Additional Information
 Earth MOID = 1.00165 au 
 Jupiter MOID = 2.76471 au 
 T_jup = 3.628 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456386.5 (2013-Apr-04.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096726589523514 3.8023e-08  
q 1.986468377450964 8.5224e-08 au
tp 2456954.676274642129
(2014-Oct-24.17627464)
6.4105e-05 TDB
node 72.41892058543777 4.359e-05 deg
peri 354.4509344017588 4.7477e-05 deg
i 5.390301015100084 4.0495e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2444  
   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      .39973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:30:28  

Additional Information
 Jupiter MOID = 2.76471 au 
 T_jup = 3.628 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.445729636474429E-15 -3.234030156418623E-15 -7.761630091605091E-13 6.480182309834382E-15 -2.629689148887556E-13 -3.60756246571663E-16
q -3.234030156418623E-15 7.263045349657429E-15 1.736958060132541E-12 -1.481440094252815E-14 5.838294210163378E-13 8.290366852974749E-16
tp -7.761630091605091E-13 1.736958060132541E-12 4.109494811954147E-9 4.851148343206446E-12 1.219924163427915E-9 -1.674951515528642E-12
node 6.480182309834382E-15 -1.481440094252815E-14 4.851148343206446E-12 1.900115066821081E-9 -1.889843964914638E-9 -5.470311250499724E-11
peri -2.629689148887556E-13 5.838294210163378E-13 1.219924163427915E-9 -1.889843964914638E-9 2.254062115620938E-9 5.398552733897798E-11
i -3.60756246571663E-16 8.290366852974749E-16 -1.674951515528642E-12 -5.470311250499724E-11 5.398552733897798E-11 1.639844139297632E-11

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-August); 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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