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58 Concordia (A860 FA)
Classification: Main-belt Asteroid          SPK-ID: 2000058
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 123 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04271144969475527 9.0086e-09  
a 2.700345093312512 5.5975e-09 au
q 2.585009439701015 2.3727e-08 au
i 5.06599621001497 6.257e-07 deg
node 161.0965478382677 1.1015e-05 deg
peri 31.55664625184332 3.3759e-05 deg
M 71.05691534695552 2.989e-05 deg
tp 2458880.587522081672
(2020-Feb-01.08752208)
0.00013474 TDB
period 1620.79217044893
4.44
5.0395e-06
1.38e-08
d
yr
n .2221136099764639 6.9062e-10 deg/d
Q 2.815680746924009 5.8365e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3803  
   data-arc span      57384 days (157.11 yr)  
   first obs. used      1864-02-09  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43278  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:47:35  

Additional Information
 Earth MOID = 1.58559 au 
 Jupiter MOID = 2.13961 au 
 T_jup = 3.361 
[ 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 9.04   n/a E2021B10 IRAS observations used: 7
diameter diameter 106.517 km 0.741 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.895 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Wang, X.-B. (2002) Earth, Moon, and Planets 91, 25-30.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2006) Minor Planet Bull. 33, 100-101.]
[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]
[Pilcher, F. (2016) Minor Planet Bull. 43, 304-306.]
[Pilcher, F. (2019) Minor Planet Bull. 46, 360-363.]
[Franco, L.; Marchini, A.; Scarfi, G.; Papini, R.; et al. (2020) Minor Planet Bull. 47, 270-272.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
[Pilcher, F. (2020) Minor Planet Bull. 47, 344-346.]
geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.690   0.043 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=4.43, mean=8.43, max.=13.31) deg.
U-B UB 0.370   0.025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 (A860 FA)          Discovered 1860-Mar-24 by Luther, R. at Dusseldorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A860 FA = 1928 XE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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