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581 Tauntonia (A905 YC)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000581
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03398073677600043 3.8227e-08  
a 3.211144483585693 1.7462e-08 au
q 3.102027428139262 1.2623e-07 au
i 21.89764631074835 4.4002e-06 deg
node 102.4523611041389 1.1934e-05 deg
peri 26.28158808307988 7.0335e-05 deg
M 266.7269722000714 6.8434e-05 deg
tp 2459545.055026673271
(2021-Nov-26.55502667)
0.0003998 TDB
period 2101.784559014044
5.75
1.7144e-05
4.694e-08
d
yr
n .1712830168325518 1.3972e-09 deg/d
Q 3.320261539032124 1.8056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2353  
   data-arc span      41622 days (113.95 yr)  
   first obs. used      1906-02-20  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:31:16  

Additional Information
 Earth MOID = 2.12575 au 
 Jupiter MOID = 1.85317 au 
 T_jup = 3.077 
[ 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 9.8   n/a MPO502158  
diameter diameter 61.481 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 16.54 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.031   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Xk   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)

581 Tauntonia (A905 YC)          Discovered 1905-Dec-24 by Metcalf, J. H. at Taunton
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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