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499 Venusia (A902 YE)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000499
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2160912840917485 3.2983e-08  
a 4.006795627919277 2.5103e-08 au
q 3.140962015588997 1.3919e-07 au
i 2.092650505461283 3.6958e-06 deg
node 256.2444723672801 0.00012253 deg
peri 174.8138893286256 0.0001229 deg
M 321.5214753773218 1.0405e-05 deg
tp 2459313.619506987682
(2021-Apr-09.11950699)
8.6088e-05 TDB
period 2929.504798350035
8.02
2.7531e-05
7.538e-08
d
yr
n .1228876635405275 1.1549e-09 deg/d
Q 4.872629240249557 3.0528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3037  
   data-arc span      43040 days (117.84 yr)  
   first obs. used      1902-12-24  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:56  

Additional Information
 Earth MOID = 2.15555 au 
 Jupiter MOID = .439634 au 
 T_jup = 3.011 
[ 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 9.5   n/a MPO502157 IRAS observations used: 10
diameter diameter 77.328 km 1.055 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 13.48 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Dahlgren, M.; Lahulla, J.F.; Lagerkvist, C.-I.; Lagerros, J.; et al. (1998) Icarus 133, 247-285.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
B-V BV 0.663   0.034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=3.11, mean=11.62, max.=16.56) deg.
U-B UB 0.291   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=7.56, mean=13.75, max.=16.56) deg.
Tholen spectral type spec_T P   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

499 Venusia (A902 YE)          Discovered 1902-Dec-24 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A902 YE = 1950 CE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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