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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02625744481147353 4.0728e-08  
a 2.222967584407953 5.636e-09 au
q 2.164598135742667 8.9985e-08 au
i 6.296967106595472 3.9944e-06 deg
node 51.94178916501533 3.8347e-05 deg
peri 315.6870208772322 8.9683e-05 deg
M 226.3115232803424 8.19e-05 deg
tp 2459450.062001082203
(2021-Aug-23.56200108)
0.00027568 TDB
period 1210.592897463958
3.31
4.6039e-06
1.26e-08
d
yr
n .2973749480557463 1.1309e-09 deg/d
Q 2.28133703307324 5.784e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2552  
   data-arc span      41213 days (112.84 yr)  
   first obs. used      1907-04-04  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:37:54  

Additional Information
 Earth MOID = 1.16915 au 
 Jupiter MOID = 2.79302 au 
 T_jup = 3.640 
[ 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 10.543 h n/a LCDB (Rev. 2019-August); 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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