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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1092819190717313 3.0021e-08  
a 2.230672388508298 5.5628e-09 au
q 1.986900229071789 6.8919e-08 au
i 5.386353183813458 3.0744e-06 deg
node 72.34864309115608 3.9493e-05 deg
peri 354.8674748138516 4.3428e-05 deg
M 303.8787956681168 1.8883e-05 deg
tp 2459390.204046893595
(2021-Jun-24.70404689)		 6.4006e-05 TDB
period 1216.892219166004
3.33		 4.552e-06
1.246e-08		 d
yr
n .2958355673000571 1.1066e-09 deg/d
Q 2.474444547944808 6.1708e-09 au
   Orbit Determination Parameters
   # obs. used (total)      3044  
   data-arc span      42393 days (116.07 yr)  
   first obs. used      1904-12-27  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:39  

Additional Information
 Earth MOID = 1.00031 au 
 Jupiter MOID = 2.76474 au 
 T_jup = 3.629 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457083.5 (2015-Mar-02.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109810015637195 3.0146e-08  
q 1.986113103545017 6.9226e-08 au
tp 2456955.267851933459
(2014-Oct-24.76785193)		 6.1659e-05 TDB
node 72.41194229692046 3.9447e-05 deg
peri 354.6625674378236 4.3322e-05 deg
i 5.389587703552951 3.0761e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      3044  
   data-arc span      42393 days (116.07 yr)  
   first obs. used      1904-12-27  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:39  

Additional Information
 Jupiter MOID = 2.76474 au 
 T_jup = 3.629 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.088035110316579E-16 -2.082322564401945E-15 -3.956569567791857E-13 5.436672237230601E-15 -1.082982553594262E-13 -1.234765845400985E-16
q -2.082322564401945E-15 4.792227689414671E-15 9.158281075007848E-13 -1.24139920003671E-14 2.506378664546679E-13 3.327354147128121E-16
tp -3.956569567791857E-13 9.158281075007848E-13 3.801789382357343E-9 -1.388180933227105E-11 1.118682032245386E-9 1.324687872550556E-12
node 5.436672237230601E-15 -1.24139920003671E-14 -1.388180933227105E-11 1.556032696884221E-9 -1.552781131849175E-9 -1.068054477539587E-11
peri -1.082982553594262E-13 2.506378664546679E-13 1.118682032245386E-9 -1.552781131849175E-9 1.876805049062002E-9 1.102295330011007E-11
i -1.234765845400985E-16 3.327354147128121E-16 1.324687872550556E-12 -1.068054477539587E-11 1.102295330011007E-11 9.4625513211557E-12

[ 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 12.22   n/a E2021B10  
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. 2020-October); 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.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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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