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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03398073821862978 3.8175e-08  
a 3.211144484132586 1.7445e-08 au
q 3.10202742403508 1.261e-07 au
i 21.89764614265614 4.3945e-06 deg
node 102.4523608790395 1.193e-05 deg
peri 26.28158855738081 7.0333e-05 deg
M 266.726971735551 6.8433e-05 deg
tp 2459545.055029524392
(2021-Nov-26.55502952)
0.0003998 TDB
period 2101.784559550979
5.75
1.7128e-05
4.689e-08
d
yr
n .1712830167887948 1.3958e-09 deg/d
Q 3.320261544230092 1.8038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2368  
   data-arc span      41799 days (114.44 yr)  
   first obs. used      1906-02-20  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39715  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:18:32  

Additional Information
 Earth MOID = 2.12575 au 
 Jupiter MOID = 1.85317 au 
 T_jup = 3.077 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456257.5 (2012-Nov-26.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03075320303239851 3.8403e-08  
q 3.114794624067552 1.2636e-07 au
tp 2455349.963412146461
(2010-Jun-02.46341215)
0.00044093 TDB
node 102.6235585123859 1.1934e-05 deg
peri 28.02252013389339 7.7186e-05 deg
i 21.88807747367707 4.3929e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2368  
   data-arc span      41799 days (114.44 yr)  
   first obs. used      1906-02-20  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39715  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:18:32  

Additional Information
 Jupiter MOID = 1.85317 au 
 T_jup = 3.077 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.474816210072156E-15 -4.80820426780004E-15 1.016754597562057E-13 -1.046019898531193E-15 5.099014207074393E-15 -1.59212853004559E-15
q -4.80820426780004E-15 1.596624437352957E-14 -7.177303394146186E-13 4.169944342469543E-15 -6.436235372760834E-14 6.096841754387836E-15
tp 1.016754597562057E-13 -7.177303394146186E-13 1.944188049711807E-7 -3.119721704290829E-12 3.365146334073486E-8 -2.991877124215372E-11
node -1.046019898531193E-15 4.169944342469543E-15 -3.119721704290829E-12 1.424110534589257E-10 -1.321381378351051E-10 -1.758833655974588E-12
peri 5.099014207074393E-15 -6.436235372760834E-14 3.365146334073486E-8 -1.321381378351051E-10 5.95774889243599E-9 -3.493975399376223E-12
i -1.59212853004559E-15 6.096841754387836E-15 -2.991877124215372E-11 -1.758833655974588E-12 -3.493975399376223E-12 1.929750323503266E-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 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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