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123495 (2000 WK173)
Classification: Main-belt Asteroid          SPK-ID: 2123495
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1106813475946702 5.9717e-08  
a 3.142841732852973 3.361e-08 au
q 2.794987774584038 1.8657e-07 au
i 13.4320780216418 7.653e-06 deg
node 278.954775483524 2.9926e-05 deg
peri 153.7966040235648 5.1928e-05 deg
M 213.204007079982 4.0281e-05 deg
tp 2459830.339100247595
(2022-Sep-07.83910025)
0.00023235 TDB
period 2035.08331628578
5.57
3.2646e-05
8.938e-08
d
yr
n .176896934449364 2.8377e-09 deg/d
Q 3.490695691121909 3.733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      9242 days (25.30 yr)  
   first obs. used      1994-01-05  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:40:21  

Additional Information
 Earth MOID = 1.81698 au 
 Jupiter MOID = 1.76194 au 
 T_jup = 3.158 
[ 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 14.6   n/a MPO436597  

123495 (2000 WK173)          Discovered 2000-Nov-25 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2000 WK173 = 1999 TD268 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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