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571 Dulcinea (A905 RA)
Classification: Main-belt Asteroid          SPK-ID: 2000571
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2438464241994953 2.9783e-08  
a 2.409023079875292 5.7973e-09 au
q 1.821591416033647 7.1573e-08 au
i 5.227866880127901 3.665e-06 deg
node 3.176684282472486 3.4757e-05 deg
peri 27.51955388228633 3.5532e-05 deg
M 214.2971372454581 9.4837e-06 deg
tp 2459553.245801079871
(2021-Dec-04.74580108)
3.7223e-05 TDB
period 1365.714335510204
3.74
4.9299e-06
1.35e-08
d
yr
n .2635983167486568 9.5152e-10 deg/d
Q 2.996454743716937 7.211e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3081  
   data-arc span      41973 days (114.92 yr)  
   first obs. used      1905-09-06  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:18:32  

Additional Information
 Earth MOID = .828676 au 
 Jupiter MOID = 2.46355 au 
 T_jup = 3.474 
[ 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 11.7   n/a MPO473769  
diameter diameter 11.696 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 126.3 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2011) Minor Planet Bull. 38, 115.]
geometric albedo albedo 0.298   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.867   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.77 deg.
U-B UB 0.437   0.034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.77 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
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)

571 Dulcinea (A905 RA)          Discovered 1905-Sep-04 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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