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908 Buda (A918 WD)
Classification: Main-belt Asteroid          SPK-ID: 2000908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479415393913324 1.7552e-08  
a 2.47290597685998 7.0867e-09 au
q 2.107060459873288 4.5637e-08 au
i 13.41474364711562 6.0977e-07 deg
node 85.54795083527324 2.7576e-06 deg
peri 23.48024818219925 5.6022e-06 deg
M 48.12802079360476 6.6934e-06 deg
tp 2459010.608583273421
(2020-Jun-10.10858327)
2.6091e-05 TDB
period 1420.397284042315
3.89
6.1057e-06
1.672e-08
d
yr
n .2534502170938221 1.0895e-09 deg/d
Q 2.838751493846672 8.1351e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2840  
   data-arc span      37370 days (102.31 yr)  
   first obs. used      1918-11-30  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38218  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:59:38  

Additional Information
 Earth MOID = 1.12974 au 
 Jupiter MOID = 2.33886 au 
 T_jup = 3.431 
[ 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 10.82   n/a E2021B10 IRAS observations used: 8
diameter diameter 30.749 km 0.492 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.572 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2009) Minor Planet Bull. 36, 109-116.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Oey, J.; Williams, H.; Groom, R. (2017) Minor Planet Bull. 44, 200-204.]
geometric albedo albedo 0.087   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
B-V BV 0.820   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.45 deg.
U-B UB 0.350   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.45 deg.
SMASSII spectral type spec_B L   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)

908 Buda (A918 WD)          Discovered 1918-Nov-30 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A918 WD = 1963 ME 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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