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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05698086619130956 3.1919e-08  
a 3.169986251786778 1.8034e-08 au
q 2.989357689345424 1.0332e-07 au
i 10.0866764503496 4.3013e-06 deg
node 144.1668603963135 1.928e-05 deg
peri 311.3736616192633 4.1573e-05 deg
M 261.9745559640423 3.7727e-05 deg
tp 2459561.833307402004
(2021-Dec-13.33330740)
0.00021684 TDB
period 2061.505486173513
5.64
1.7592e-05
4.816e-08
d
yr
n .1746296589625954 1.4902e-09 deg/d
Q 3.350614814228131 1.9061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2153  
   data-arc span      19651 days (53.80 yr)  
   first obs. used      1966-02-14  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4699  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:13:53  

Additional Information
 Earth MOID = 2.01732 au 
 Jupiter MOID = 1.74781 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456924.5 (2014-Sep-24.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05346306796575966 3.0923e-08  
q 3.003756738316431 9.9605e-08 au
tp 2457475.618241968461
(2016-Mar-28.11824197)
0.00023481 TDB
node 144.4858009414605 1.9269e-05 deg
peri 307.354582077291 4.4723e-05 deg
i 10.08438635631761 4.3026e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2153  
   data-arc span      19651 days (53.80 yr)  
   first obs. used      1966-02-14  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4699  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:13:53  

Additional Information
 Jupiter MOID = 1.74781 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.562520003727067E-16 -3.033846957774445E-15 1.490520348593829E-12 2.233457041238818E-15 2.59940065455215E-13 6.157835626538882E-16
q -3.033846957774445E-15 9.921210089806198E-15 -4.201683139878559E-12 -5.503558170085747E-15 -7.504197189023785E-13 -1.316674608899123E-15
tp 1.490520348593829E-12 -4.201683139878559E-12 5.513556635264002E-8 7.724419352411127E-12 9.488325417198236E-9 -5.291750809689961E-12
node 2.233457041238818E-15 -5.503558170085747E-15 7.724419352411127E-12 3.713124093721974E-10 -3.639259157024577E-10 9.640467188178479E-12
peri 2.59940065455215E-13 -7.504197189023785E-13 9.488325417198236E-9 -3.639259157024577E-10 2.000126510358042E-9 -1.043482270113419E-11
i 6.157835626538882E-16 -1.316674608899123E-15 -5.291750809689961E-12 9.640467188178479E-12 -1.043482270113419E-11 1.851272092324556E-11

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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