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50 Virginia
Classification: Main-belt Asteroid          SPK-ID: 2000050
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2849146899526006 4.3008e-08  
a 2.651236805946713 4.5584e-09 AU
q 1.895860493389482 1.1415e-07 AU
i 2.835476752051549 5.153e-06 deg
node 173.5364983441756 8.5532e-05 deg
peri 200.3287541733083 8.5832e-05 deg
M 106.7872981302873 8.2746e-06 deg
tp 2456332.777454229197
(2013-Feb-09.27745423)
3.5633e-05 JED
period 1576.78037955464
4.32
4.0666e-06
1.113e-08
d
yr
n .228313343232798 5.8883e-10 deg/d
Q 3.406613118503944 5.8572e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1876  
   data-arc span      57139 days (156.44 yr)  
   first obs. used      1857-10-19  
   last obs. used      2014-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61421  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:34:00  

Additional Information
 Earth MOID = .895498 AU 
 T_jup = 3.329 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.24 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
diameter diameter 99.82 km 5.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
rotation period rot_per 14.315 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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 Bul. 36, 25-27.]
geometric albedo albedo 0.0357   0.004 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
B-V BV .703 mag .020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=2.19, mean=15.69, max.=23.71) deg.
U-B UB .347 mag .045 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #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 | Physical Parameters | Discovery Circumstances ]
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