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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2436207100322949 2.9776e-08  
a 2.409866243751354 5.7404e-09 au
q 1.822772918365789 7.1649e-08 au
i 5.227369724748865 3.6498e-06 deg
node 3.160564889803729 3.4727e-05 deg
peri 27.4571588199307 3.55e-05 deg
M 267.0880287856751 9.601e-06 deg
tp 2459553.160653335049
(2021-Dec-04.66065334)		 3.7247e-05 TDB
period 1366.431403201612
3.74		 4.8824e-06
1.337e-08		 d
yr
n .2634599872020675 9.4136e-10 deg/d
Q 2.996959569136918 7.1389e-09 au
   Orbit Determination Parameters
   # obs. used (total)      3119  
   data-arc span      42015 days (115.03 yr)  
   first obs. used      1905-09-06  
   last obs. used      2020-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:10  

Additional Information
 Earth MOID = .828641 au 
 Jupiter MOID = 2.46432 au 
 T_jup = 3.474 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456265.5 (2012-Dec-04.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2423371665345064 2.9635e-08  
q 1.826368230176625 7.1116e-08 au
tp 2456821.081751114357
(2014-Jun-12.58175111)		 3.224e-05 TDB
node 3.235232051444626 3.4751e-05 deg
peri 27.50013356099897 3.5538e-05 deg
i 5.225573883126941 3.6469e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      3119  
   data-arc span      42015 days (115.03 yr)  
   first obs. used      1905-09-06  
   last obs. used      2020-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:10  

Additional Information
 Jupiter MOID = 2.46432 au 
 T_jup = 3.474 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.782312999983923E-16 -2.103454494870377E-15 -5.380680706453269E-14 -8.282603261886802E-16 -2.208081865956369E-14 1.198031668557225E-16
q -2.103454494870377E-15 5.057528129421995E-15 1.894625170561574E-13 1.424378868065367E-15 6.392607351187281E-14 -2.381844871829842E-16
tp -5.380680706453269E-14 1.894625170561574E-13 1.039395875990397E-9 -4.644566793609216E-12 2.475239165066288E-10 2.796990031218399E-15
node -8.282603261886802E-16 1.424378868065367E-15 -4.644566793609216E-12 1.207664796958354E-9 -1.203399682421614E-9 -3.998835317041719E-12
peri -2.208081865956369E-14 6.392607351187281E-14 2.475239165066288E-10 -1.203399682421614E-9 1.262928549279865E-9 3.969545930997889E-12
i 1.198031668557225E-16 -2.381844871829842E-16 2.796990031218399E-15 -3.998835317041719E-12 3.969545930997889E-12 1.329997605114706E-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 11.74   n/a E2021B10  
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. 2020-October); 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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