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338 Budrosa (A892 SF)
Classification: Main-belt Asteroid          SPK-ID: 2000338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02072680458194265 3.8166e-08  
a 2.915941572543877 9.1754e-09 au
q 2.855503421397398 1.114e-07 au
i 6.047976608609137 4.3046e-06 deg
node 287.4205805116311 3.8715e-05 deg
peri 107.4447188162415 0.00010926 deg
M 262.8521941637372 0.00010275 deg
tp 2459691.291631266744
(2022-Apr-21.79163127)
0.00051972 TDB
period 1818.723395089545
4.98
8.5843e-06
2.35e-08
d
yr
n .1979410398370531 9.3427e-10 deg/d
Q 2.976379723690357 9.3656e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2672  
   data-arc span      46771 days (128.05 yr)  
   first obs. used      1892-09-27  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:30:43  

Additional Information
 Earth MOID = 1.8675 au 
 Jupiter MOID = 2.14342 au 
 T_jup = 3.273 
[ show covariance matrix ]

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 8.58   n/a E2021B10  
diameter diameter 50.506 km 0.479 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.6084 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Gil Hutton, R.; Licandro, J. (1991) Minor Planet Bull. 18, 37-38.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hamanowa, H.; Hamanowa, H. (2011) http://www2.ocn.ne.jp/~hamaten/astlcdata.htm]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Carbognani, A.; Cellino, A.; Caminiti, S. (2019) Planet. Space Sci. 169, 15-34.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.276   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.704   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=9; phase (min.=4.82, mean=7.50, max.=13.71) deg.
U-B UB 0.247   0.023 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=9; phase (min.=4.82, mean=7.50, max.=13.71) deg.
Tholen spectral type spec_T M   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 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)

338 Budrosa (A892 SF)          Discovered 1892-Sep-25 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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