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519 Sylvania (A903 UJ)
Classification: Main-belt Asteroid          SPK-ID: 2000519
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1830244857760158 9.6233e-09  
a 2.791407976519623 8.8002e-09 au
q 2.28051196702605 2.5466e-08 au
i 11.01060349371292 3.925e-07 deg
node 44.71083394166269 2.4709e-06 deg
peri 302.6394848425463 7.1285e-06 deg
M 81.85937109667834 5.775e-06 deg
tp 2458813.153797440353
(2019-Nov-25.65379744)
2.6829e-05 TDB
period 1703.465724856164
4.66
8.0555e-06
2.205e-08
d
yr
n .2113338676247199 9.9938e-10 deg/d
Q 3.302303986013196 1.0411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3423  
   data-arc span      42890 days (117.43 yr)  
   first obs. used      1903-10-20  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42285  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:30:56  

Additional Information
 Earth MOID = 1.29545 au 
 Jupiter MOID = 2.21604 au 
 T_jup = 3.278 
[ 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 8.98   n/a MPCxxxxx IRAS observations used: 5
diameter diameter 40.078 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 17.962 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W.; Bowell, E.; Tholen, D.J. (1999) Icarus 142, 173-201.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.246   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.833   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=1.07 deg.
U-B UB 0.357   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=1.07 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B S   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)

519 Sylvania (A903 UJ)          Discovered 1903-Oct-20 by Dugan, R. S. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A903 UJ = A909 CA = A911 HD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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