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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2438464242164142 2.9739e-08  
a 2.409023079864764 5.7932e-09 au
q 1.821591415984928 7.1476e-08 au
i 5.227866660491036 3.6502e-06 deg
node 3.176685138245823 3.4729e-05 deg
peri 27.51955307006621 3.5501e-05 deg
M 214.2971372128949 9.4812e-06 deg
tp 2459553.245801199781
(2021-Dec-04.74580120)		 3.7215e-05 TDB
period 1365.714335501251
3.74		 4.9264e-06
1.349e-08		 d
yr
n .2635983167503848 9.5085e-10 deg/d
Q 2.996454743744601 7.2059e-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 = .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 11.74   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

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