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JPL Small-Body Database Browser
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813 Baumeia (A915 WJ)
Classification: Main-belt Asteroid          SPK-ID: 2000813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02615091951703433 4.1917e-08  
a 2.223179741597421 6.1016e-09 au
q 2.165041547103006 9.2214e-08 au
i 6.297074299980299 4.0848e-06 deg
node 51.94552693536463 3.9491e-05 deg
peri 316.1632723559653 9.364e-05 deg
M 106.8686548846846 8.5229e-05 deg
tp 2458241.075122213252
(2018-May-02.57512221)
0.00028651 TDB
period 1210.766207760819
3.31
4.9845e-06
1.365e-08
d
yr
n .2973323815055766 1.2241e-09 deg/d
Q 2.281317936091837 6.2611e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2447  
   data-arc span      40946 days (112.10 yr)  
   first obs. used      1907-04-04  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42064  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:14:27  

Additional Information
 Earth MOID = 1.16879 au 
 Jupiter MOID = 2.79376 au 
 T_jup = 3.639 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.5   n/a MPO267709  
diameter diameter 11.719 km 0.660 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.544 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) 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]
[Brinsfield, J.W. (2009) Minor Planet Bull. 36, 64-66.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.256   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

813 Baumeia (A915 WJ)          Discovered 1915-Nov-28 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A915 WJ = 1945 WC = 1974 QR2 = 1974 QY2 = A907 GH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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