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58 Concordia
Classification: Main-belt Asteroid          SPK-ID: 2000058
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0441662934287447 4.2854e-08  
a 2.70165651221143 8.8288e-09 AU
q 2.582334357949421 1.1651e-07 AU
i 5.062997943329106 4.7739e-06 deg
node 161.1259152722191 5.2117e-05 deg
peri 30.06440647906409 7.0616e-05 deg
M 303.845774374452 4.7281e-05 deg
tp 2457253.501774325862
(2015-Aug-19.00177433)
0.00021331 JED
period 1621.97301703814
4.44
7.9508e-06
2.177e-08
d
yr
n .2219519043895012 1.088e-09 deg/d
Q 2.820978666473439 9.2188e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1748  
   data-arc span      54805 days (150.05 yr)  
   first obs. used      1864-02-09  
   last obs. used      2014-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5686  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:08:36  

Additional Information
 Earth MOID = 1.58518 AU 
 T_jup = 3.360 
[ 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 8.86 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7
diameter diameter 93.43 km 3.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7
rotation period rot_per 9.895 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Wang, X.-B. (2002) Earth, Moon, and Planets 91, 25-30.]
[Stephens, R.D. (2006) Minor Planet Bul. 33, 100-101.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.0578   0.004 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7
B-V BV .690 mag .043 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=4.43, mean=8.43, max.=13.31) deg.
U-B UB .370 mag .025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=4.43, mean=8.43, max.=13.31) deg.
Tholen spectral type spec_T C   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)

58 Concordia          Discovered 1860-Mar-24 by Luther, R. at Dusseldorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1928 XE 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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