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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 118 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04259806664620035 3.5178e-08  
a 2.699484163943211 6.2149e-09 au
q 2.584491357617195 9.4662e-08 au
i 5.065948199828701 3.7028e-06 deg
node 161.1064806513064 4.3973e-05 deg
peri 31.12145127337585 6.2047e-05 deg
M 27.03758817738066 4.3437e-05 deg
tp 2458878.829567716192
(2020-Jan-30.32956772)
0.00019548 TDB
period 1620.01711597984
4.44
5.5945e-06
1.532e-08
d
yr
n .2222198743759939 7.6741e-10 deg/d
Q 2.814476970269225 6.4796e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3508  
   data-arc span      57106 days (156.35 yr)  
   first obs. used      1864-02-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:06:22  

Additional Information
 Earth MOID = 1.58585 au 
 Jupiter MOID = 2.14186 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455697.5 (2011-May-16.0) TDB
Reference: JPL 118 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0446671464644552 3.504e-08  
q 2.579874387203871 9.4594e-08 au
tp 2455642.839529780619
(2011-Mar-22.33952978)
0.00018747 TDB
node 161.186295585968 4.405e-05 deg
peri 32.24314991841949 6.0793e-05 deg
i 5.060404377690579 3.6998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3508  
   data-arc span      57106 days (156.35 yr)  
   first obs. used      1864-02-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:06:22  

Additional Information
 Jupiter MOID = 2.14186 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.227835148677233E-15 -3.308018019282681E-15 5.007682211357882E-13 -2.915874689037485E-15 1.105118050628638E-13 -5.457139390485566E-16
q -3.308018019282681E-15 8.948059479284629E-15 -1.464986599557277E-12 9.264797178875532E-15 -3.252039566441183E-13 1.607616879721551E-15
tp 5.007682211357882E-13 -1.464986599557277E-12 3.514356154374793E-8 1.943774941749712E-12 7.873705509221868E-9 -2.027805744832009E-12
node -2.915874689037485E-15 9.264797178875532E-15 1.943774941749712E-12 1.940438382788635E-9 -1.93186713397934E-9 1.875438017250389E-11
peri 1.105118050628638E-13 -3.252039566441183E-13 7.873705509221868E-9 -1.93186713397934E-9 3.695825281891689E-9 -1.913632232185469E-11
i -5.457139390485566E-16 1.607616879721551E-15 -2.027805744832009E-12 1.875438017250389E-11 -1.913632232185469E-11 1.36886113589898E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.0   n/a MPO473760 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. 2019-August); 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.]
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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