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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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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 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2773101959344947 3.1626e-08  
a 2.745807167443476 8.4509e-09 au
q 1.984366843841386 8.7585e-08 au
i 17.99092258027154 4.3107e-06 deg
node 70.76335775344533 1.037e-05 deg
peri 214.8690367327625 1.2533e-05 deg
M 93.41690577157492 7.8235e-06 deg
tp 2458769.252633726112
(2019-Oct-12.75263373)
3.5152e-05 TDB
period 1661.894606509639
4.55
7.6723e-06
2.101e-08
d
yr
n .2166202348752325 1.0001e-09 deg/d
Q 3.507247491045566 1.0794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3085  
   data-arc span      42259 days (115.70 yr)  
   first obs. used      1905-05-09  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:44  

Additional Information
 Earth MOID = .990251 au 
 Jupiter MOID = 1.72603 au 
 T_jup = 3.223 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456920.5 (2014-Sep-20.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2767026884528463 3.1537e-08  
q 1.986377626704733 8.7309e-08 au
tp 2457108.097428752696
(2015-Mar-26.59742875)
3.2622e-05 TDB
node 70.77151733327281 1.0369e-05 deg
peri 215.0785340893458 1.256e-05 deg
i 17.98925504739152 4.3104e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3085  
   data-arc span      42259 days (115.70 yr)  
   first obs. used      1905-05-09  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:44  

Additional Information
 Jupiter MOID = 1.72603 au 
 T_jup = 3.223 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.945848853805001E-16 -2.746727485072701E-15 -3.733412475309851E-13 4.227263020797662E-15 -8.909558865834882E-14 5.233322608903316E-16
q -2.746727485072701E-15 7.622923629082986E-15 1.07445125946438E-12 -1.207106512288838E-14 2.54750652371106E-13 -1.281210896999852E-15
tp -3.733412475309851E-13 1.07445125946438E-12 1.064190752168418E-9 -8.65586177500096E-12 2.40231600326566E-10 4.859669311003586E-13
node 4.227263020797662E-15 -1.207106512288838E-14 -8.65586177500096E-12 1.075207309793241E-10 -1.037578963773548E-10 -6.095667995092803E-12
peri -8.909558865834882E-14 2.54750652371106E-13 2.40231600326566E-10 -1.037578963773548E-10 1.577498872806198E-10 5.923357077877527E-12
i 5.233322608903316E-16 -1.281210896999852E-15 4.859669311003586E-13 -6.095667995092803E-12 5.923357077877527E-12 1.857986977795615E-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 10.37   n/a E2021B10 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. 2020-October); 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

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