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JPL Small-Body Database Browser
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564 Dudu (A905 JD)
Classification: Main-belt Asteroid          SPK-ID: 2000564
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2776801547236676 4.1366e-08  
a 2.746319680058788 9.6842e-09 au
q 1.983721206379411 1.1651e-07 au
i 17.9937392211268 4.6332e-06 deg
node 70.76609749611792 1.1675e-05 deg
peri 214.9242892336856 1.3492e-05 deg
M 323.4124600174683 7.9193e-06 deg
tp 2458769.449056085002
(2019-Oct-12.94905609)		 3.7037e-05 TDB
period 1662.359924161052
4.55		 8.7929e-06
2.407e-08		 d
yr
n .2165595998602302 1.1455e-09 deg/d
Q 3.508918153738166 1.2373e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2596  
   data-arc span      41776 days (114.38 yr)  
   first obs. used      1905-05-09  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:54:43  

Additional Information
 Earth MOID = .990992 au 
 Jupiter MOID = 1.72461 au 
 T_jup = 3.222 
[ 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 10.3   n/a MPO492755 IRAS observations used: 29
diameter diameter 52.010 km 1.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.882 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Barucci, M.A.; Di Martino, M.; Dotto, E.; Fulchignoni, M.; et al. (1994) Icarus 109, 267-273.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.050   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.731   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.37 deg.
U-B UB 0.312   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.37 deg.
Tholen spectral type spec_T CDX:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Xc   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)

564 Dudu (A905 JD)          Discovered 1905-May-09 by Gotz, P. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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