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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093278444101529 1.9704e-08  
a 2.230668880949709 5.1947e-09 au
q 1.986794660602669 4.5106e-08 au
i 5.386347388234857 5.9763e-07 deg
node 72.34761421408621 1.3535e-05 deg
peri 354.9124166152112 1.9481e-05 deg
M 1.828587337811762 7.5122e-06 deg
tp 2459390.318920958236
(2021-Jun-24.81892096)
2.5385e-05 TDB
period 1216.889348964781
3.33
4.2508e-06
1.164e-08
d
yr
n .29583626506901 1.0334e-09 deg/d
Q 2.474543101296748 5.7627e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3102  
   data-arc span      42416 days (116.13 yr)  
   first obs. used      1904-12-27  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:14:11  

Additional Information
 Earth MOID = 1.00051 au 
 Jupiter MOID = 2.76472 au 
 T_jup = 3.629 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457101.5 (2015-Mar-20.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098381449432155 1.9783e-08  
q 1.986116960623513 4.531e-08 au
tp 2456955.290306740010
(2014-Oct-24.79030674)
2.3159e-05 TDB
node 72.4108889463844 1.352e-05 deg
peri 354.6711830553817 1.9414e-05 deg
i 5.389489466250439 5.9767e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3102  
   data-arc span      42416 days (116.13 yr)  
   first obs. used      1904-12-27  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:14:11  

Additional Information
 Jupiter MOID = 2.76472 au 
 T_jup = 3.629 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.913578877537873E-16 -8.918167452668203E-16 5.004864903514839E-14 -8.255723665258932E-14 8.411629106093343E-14 2.673463336197517E-15
q -8.918167452668203E-16 2.052967668630106E-15 -1.055888416025298E-13 1.906585333832395E-13 -1.907657719310644E-13 -6.04608340561347E-15
tp 5.004864903514839E-14 -1.055888416025298E-13 5.36324660797255E-10 -2.190670995918183E-10 3.924409116768997E-10 -6.773991734028962E-12
node -8.255723665258932E-14 1.906585333832395E-13 -2.190670995918183E-10 1.827973070470036E-10 -2.511787154167244E-10 3.723803998595772E-12
peri 8.411629106093343E-14 -1.907657719310644E-13 3.924409116768997E-10 -2.511787154167244E-10 3.769000582880821E-10 -5.927927895960729E-12
i 2.673463336197517E-15 -6.04608340561347E-15 -6.773991734028962E-12 3.723803998595772E-12 -5.927927895960729E-12 3.572084316227127E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.21   n/a MPCxxxxx  
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

Alternate Designations
 A904 YA = 1932 CL = 1957 UB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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