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JPL Small-Body Database Browser
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50 Virginia
Classification: Main-belt Asteroid          SPK-ID: 2000050
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 109 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2858620932436844 2.929e-08  
a 2.649431521816542 4.0151e-09 au
q 1.892059481084265 7.7442e-08 au
i 2.837907690762163 3.5381e-06 deg
node 173.5208794843094 6.8777e-05 deg
peri 200.0119345311024 6.9021e-05 deg
M 250.0164935402393 7.3083e-06 deg
tp 2459481.729825767379
(2021-Sep-24.22982577)
3.2717e-05 TDB
period 1575.170158260414
4.31
3.5807e-06
9.803e-09
d
yr
n .2285467370697123 5.1953e-10 deg/d
Q 3.406803562548819 5.1629e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3050  
   data-arc span      59275 days (162.29 yr)  
   first obs. used      1857-10-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:15:48  

Additional Information
 Earth MOID = .89299 au 
 Jupiter MOID = 2.05635 au 
 T_jup = 3.330 
[ 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 9.2   n/a MPO473760 IRAS observations used: 3
diameter diameter 84.074 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.315 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Shevchenko, V.G.; Piironen, J.; Erikson, A.; Bel'skaya, I.N.; et al. (1997) Planet. Space Sci. 45, 1615-1623.]
[Pilcher, F. (2009) Minor Planet Bull. 36, 25-27.]
[Pilcher, F. (2016) Minor Planet Bull. 43, 304-306.]
[Pilcher, F. (2018) Minor Planet Bull. 45, 246-247.]
[Pilcher, F. (2019) Minor Planet Bull. 46-4, in press.]
geometric albedo albedo 0.050   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.703   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=2.19, mean=15.69, max.=23.71) deg.
U-B UB 0.347   0.045 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=2.19, mean=15.69, max.=23.71) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Ch   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)

50 Virginia          Discovered 1857-Oct-04 by Ferguson, J. at Washington
Independent discovery Oct. 19 by R. Luther, Dusseldorf, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 LU1 = A900 SB = A909 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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