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2147 Kharadze (1976 US)
Classification: Main-belt Asteroid          SPK-ID: 2002147
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05698086638988104 3.1563e-08  
a 3.169986251824656 1.7876e-08 au
q 2.989357688751676 1.0252e-07 au
i 10.0866761184419 4.2829e-06 deg
node 144.1668615945324 1.917e-05 deg
peri 311.3736605404087 4.1446e-05 deg
M 261.9745558482404 3.7584e-05 deg
tp 2459561.833308075194
(2021-Dec-13.33330808)
0.00021597 TDB
period 2061.505486210463
5.64
1.7438e-05
4.774e-08
d
yr
n .1746296589594654 1.4772e-09 deg/d
Q 3.350614814897636 1.8895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2245  
   data-arc span      19894 days (54.47 yr)  
   first obs. used      1966-02-14  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:46:21  

Additional Information
 Earth MOID = 2.01732 au 
 Jupiter MOID = 1.74781 au 
 T_jup = 3.176 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1   n/a MPO492775  
diameter diameter 23.035 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.115 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
geometric albedo albedo 0.038   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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)

2147 Kharadze (1976 US)          Discovered 1976-Oct-25 by West, R. M. at La Silla
Oct. 24 observations should be considered a prediscovery.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1976 US = 1966 CT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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