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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02610828809808119 1.4557e-08  
a 2.223745180421905 4.286e-09 au
q 2.165687000594731 3.2788e-08 au
i 6.295379834696726 2.9669e-07 deg
node 51.93067775328652 3.6196e-06 deg
peri 314.929200086529 3.7167e-05 deg
M 286.5328433207026 3.4647e-05 deg
tp 2459447.681912412822
(2021-Aug-21.18191241)
0.00011677 TDB
period 1211.228152697671
3.32
3.5017e-06
9.587e-09
d
yr
n .2972189832264062 8.5927e-10 deg/d
Q 2.281803360249079 4.3979e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3094  
   data-arc span      41462 days (113.52 yr)  
   first obs. used      1907-04-04  
   last obs. used      2020-10-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39464  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:29:03  

Additional Information
 Earth MOID = 1.16859 au 
 Jupiter MOID = 2.79067 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 11.60   n/a E2021B10  
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. 2020-October); 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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