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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2771594013968438 1.0087e-08  
a 2.746305040448854 8.0946e-09 au
q 1.985140779384915 2.7199e-08 au
i 17.98870215001988 4.6323e-07 deg
node 70.76403043794974 1.4483e-06 deg
peri 214.8999478749477 3.8982e-06 deg
M 135.8394862496068 3.4782e-06 deg
tp 2458769.243576484385
(2019-Oct-12.74357648)
1.4272e-05 TDB
period 1662.346632044002
4.55
7.3496e-06
2.012e-08
d
yr
n .2165613314699282 9.5746e-10 deg/d
Q 3.507469301512793 1.0338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3310  
   data-arc span      42461 days (116.25 yr)  
   first obs. used      1905-05-09  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38608  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:18:50  

Additional Information
 Earth MOID = .992692 au 
 Jupiter MOID = 1.72492 au 
 T_jup = 3.223 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2767651501882764 1.0023e-08  
q 1.98640043634244 2.698e-08 au
tp 2457108.072401079145
(2015-Mar-26.57240108)
1.1778e-05 TDB
node 70.77185523770659 1.4484e-06 deg
peri 215.0696092602064 3.9164e-06 deg
i 17.98879683217167 4.6352e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3310  
   data-arc span      42461 days (116.25 yr)  
   first obs. used      1905-05-09  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38608  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:18:50  

Additional Information
 Jupiter MOID = 1.72492 au 
 T_jup = 3.223 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.004603329615431E-16 -2.64153231134466E-16 -4.733629612490184E-14 -7.945601848338631E-15 -1.464773865285466E-14 -1.695121475994668E-15
q -2.64153231134466E-16 7.279333209176942E-16 1.349733603795045E-13 2.173423220544964E-14 4.184728019069141E-14 4.69696669490005E-15
tp -4.733629612490184E-14 1.349733603795045E-13 1.387287905054575E-10 2.711138232576099E-12 4.42814341370114E-11 2.375000368320627E-12
node -7.945601848338631E-15 2.173423220544964E-14 2.711138232576099E-12 2.097864122013182E-12 -1.184214199168833E-13 -1.626563697930712E-13
peri -1.464773865285466E-14 4.184728019069141E-14 4.42814341370114E-11 -1.184214199168833E-13 1.53385423466633E-11 1.067547979266954E-12
i -1.695121475994668E-15 4.69696669490005E-15 2.375000368320627E-12 -1.626563697930712E-13 1.067547979266954E-12 2.148551167268532E-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 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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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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