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168234 Hsi Ching (2006 KX67)
Classification: Main-belt Asteroid          SPK-ID: 2168234
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726477054532784 4.0805e-08  
a 2.596239255428217 1.5619e-08 au
q 2.148004505170808 1.006e-07 au
i 8.07428924036191 6.9872e-06 deg
node 145.5970421392073 3.6859e-05 deg
peri 121.8314725556222 4.5473e-05 deg
M 109.9749440877769 2.4177e-05 deg
tp 2458533.725906420259
(2019-Feb-19.22590642)
0.0001018 TDB
period 1527.972349361562
4.18
1.3789e-05
3.775e-08
d
yr
n .2356063577658457 2.1262e-09 deg/d
Q 3.044474005685627 1.8316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      9694 days (26.54 yr)  
   first obs. used      1993-04-17  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61436  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:22:45  

Additional Information
 Earth MOID = 1.14501 au 
 Jupiter MOID = 2.10165 au 
 T_jup = 3.382 
[ 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 16.4   n/a MPO449885  
diameter diameter 1.508 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

168234 Hsi Ching           Discovered 2006 May 25 by Q.-Z. Ye and H.-C. Lin at Lulin.
Hsi Ching, or the Western Capital, is a term often used in Chinese history. It may refer to Haoking (10th century BCE to 7th century BCE), Ch'ang-an (2nd century BCE to 7th century CE), or Ta-t'ung (11th to 12th century CE).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2019-08-27Last Updated: 2019-09-23

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