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441 Bathilde (A898 XA)
Classification: Main-belt Asteroid          SPK-ID: 2000441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08103820605659638 2.1672e-08  
a 2.806303137091782 8.0263e-09 au
q 2.578885365210865 6.3252e-08 au
i 8.15787387042807 2.3205e-07 deg
node 253.5246366144361 2.4105e-06 deg
peri 202.9530340788858 8.7111e-06 deg
M 3.309800286664576 1.0392e-05 deg
tp 2459380.713000763333
(2021-Jun-15.21300076)
4.9551e-05 TDB
period 1717.118627398349
4.70
7.3667e-06
2.017e-08
d
yr
n .2096535406790416 8.9944e-10 deg/d
Q 3.033720908972698 8.6767e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3787  
   data-arc span      44689 days (122.35 yr)  
   first obs. used      1898-12-11  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38712  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:03:58  

Additional Information
 Earth MOID = 1.59781 au 
 Jupiter MOID = 2.15101 au 
 T_jup = 3.303 
[ 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 8.61   n/a MPCxxxxx IRAS observations used: 3
diameter diameter 65.131 km 1.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.446 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1980) Icarus 43, 20-32.]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[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]
[Dunckel, P.B. (2011) Posting on CALL site. http://www.minorplanet.info/call.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.204   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.701   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=.97, mean=1.63, max.=2.15) deg.
U-B UB 0.250   0.055 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=.97, mean=1.63, max.=2.15) deg.
Tholen spectral type spec_T M   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo
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)

441 Bathilde (A898 XA)          Discovered 1898-Dec-08 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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