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JPL Small-Body Database Browser
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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456248.5 (2012-Nov-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .030743326116922 3.8455e-08  
q 3.11485104325177 1.2648e-07 au
tp 2455349.929291343785
(2010-Jun-02.42929134)
0.00044109 TDB
node 102.6235428463312 1.1937e-05 deg
peri 28.01920449877083 7.7215e-05 deg
i 21.88799215751369 4.3986e-06 deg
  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
 Jupiter MOID = 1.85317 au 
 T_jup = 3.077 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.478789722010405E-15 -4.819372902048371E-15 9.518024416550222E-14 -1.046130245463834E-15 3.802718536730062E-15 -1.599366801035038E-15
q -4.819372902048371E-15 1.599767635447464E-14 -6.984621527236471E-13 4.172424506760215E-15 -6.053617279427986E-14 6.118004436971693E-15
tp 9.518024416550222E-14 -6.984621527236471E-13 1.945644787814103E-7 -3.308324980307562E-12 3.367664614913263E-8 -3.005883379348277E-11
node -1.046130245463834E-15 4.172424506760215E-15 -3.308324980307562E-12 1.424991894521203E-10 -1.322527405001157E-10 -1.693751268592653E-12
peri 3.802718536730062E-15 -6.053617279427986E-14 3.367664614913263E-8 -1.322527405001157E-10 5.962186445264337E-9 -3.578189859217847E-12
i -1.599366801035038E-15 6.118004436971693E-15 -3.005883379348277E-11 -1.693751268592653E-12 -3.578189859217847E-12 1.934746951226781E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1949-Aug-31 17:15 00:01 Jupiter 1.91993653664733 1.91993605264613 1.91993702065225 6.00038172834319 5.92640165702112 2433160.218850255 1.47636659156977 220.230528918047 18.4228003667972 85.9317865639073 4801761.63763338 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:31:28 2020-Feb-22 15:31
1960-Dec-28 20:03 00:01 Jupiter 1.92959747333319 1.92959703122087 1.92959791544627 6.1781191497454 6.10665453302403 2437297.335324885 1.15117964508934 168.062734798576 20.1874381342943 -87.3450259228533 5156424.2269093 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:31:28 2020-Feb-22 15:31
2151-May-27 08:24 00:03 Jupiter 1.94523584217367 1.94523500545948 1.94523667891418 5.88546991878156 5.81101432224097 2506842.850160013 2.90056962548246 411.887943036346 19.4145237016382 84.669498038888 4637798.31125728 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:31:28 2020-Feb-22 15:31
2162-Sep-20 17:01 00:03 Jupiter 1.93469097231442 1.93469044840224 1.93469149624111 6.15954173607127 6.088048873851 2510977.209083878 3.01212326034099 423.832732766949 19.9962080577717 -87.86439078409 5164002.84993635 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:31:28 2020-Feb-22 15:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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