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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1092819173923931 1.9713e-08  
a 2.230672389085591 5.2331e-09 au
q 1.986900233332047 4.5104e-08 au
i 5.386352770348015 5.9765e-07 deg
node 72.34860975967732 1.3535e-05 deg
peri 354.8675207839127 1.9484e-05 deg
M 303.8787839067797 7.4353e-06 deg
tp 2459390.204086723569
(2021-Jun-24.70408672)
2.5386e-05 TDB
period 1216.892219638397
3.33
4.2822e-06
1.172e-08
d
yr
n .2958355671852147 1.041e-09 deg/d
Q 2.474444544839135 5.805e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3101  
   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      .37188  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:04:05  

Additional Information
 Earth MOID = 1.00031 au 
 Jupiter MOID = 2.76474 au 
 T_jup = 3.629 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457101.5 (2015-Mar-20.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109838145164207 1.9784e-08  
q 1.986116960150403 4.5312e-08 au
tp 2456955.290306639586
(2014-Oct-24.79030664)
2.3159e-05 TDB
node 72.41088897015503 1.352e-05 deg
peri 354.671182989567 1.9414e-05 deg
i 5.389489471379497 5.9768e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3101  
   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      .37188  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:04:05  

Additional Information
 Jupiter MOID = 2.76474 au 
 T_jup = 3.629 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.914013036988481E-16 -8.919081835172973E-16 5.003901238368842E-14 -8.25577601469454E-14 8.411165187541016E-14 2.673947680169288E-15
q -8.919081835172973E-16 2.053160254704264E-15 -1.055684695460434E-13 1.906595953327366E-13 -1.907559375842042E-13 -6.047107595198545E-15
tp 5.003901238368842E-14 -1.055684695460434E-13 5.363275138826194E-10 -2.190673630225521E-10 3.924425379214394E-10 -6.774137794178012E-12
node -8.25577601469454E-14 1.906595953327366E-13 -2.190673630225521E-10 1.827975148893307E-10 -2.511789763155821E-10 3.723818632968265E-12
peri 8.411165187541016E-14 -1.907559375842042E-13 3.924425379214394E-10 -2.511789763155821E-10 3.769010520270343E-10 -5.928011835781346E-12
i 2.673947680169288E-15 -6.047107595198545E-15 -6.774137794178012E-12 3.723818632968265E-12 -5.928011835781346E-12 3.572159120308768E-13

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 12.21   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

[ 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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