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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 ]

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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 .03398072866971931 3.529e-08  
a 3.211144479849631 1.6233e-08 au
q 3.102027450560594 1.1939e-07 au
i 21.89764520490872 4.1003e-06 deg
node 102.452358525423 1.1214e-05 deg
peri 26.28158927837823 6.9903e-05 deg
M 266.7269748847636 6.8047e-05 deg
tp 2459545.055010048900
(2021-Nov-26.55501005)
0.00039739 TDB
period 2101.784555346007
5.75
1.5938e-05
4.364e-08
d
yr
n .1712830171314752 1.2988e-09 deg/d
Q 3.320261509138668 1.6785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2589  
   data-arc span      41908 days (114.74 yr)  
   first obs. used      1906-02-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:54:39  

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. 2020-October); 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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