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JPL Small-Body Database Browser
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154004 Haolei (2002 AW205)
Classification: Main-belt Asteroid          SPK-ID: 2154004
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1847265194521826 6.5452e-08  
a 2.519574073711895 1.2235e-08 au
q 2.054141924573139 1.656e-07 au
i 12.86100040041477 4.008e-06 deg
node 94.77561159365244 3.0979e-05 deg
peri 301.3744613815157 3.2799e-05 deg
M 224.8770485413354 1.2179e-05 deg
tp 2459548.796842890423
(2021-Nov-30.29684289)
5.0793e-05 TDB
period 1460.79449353158
4.00
1.064e-05
2.913e-08
d
yr
n .24644123563861 1.7951e-09 deg/d
Q 2.98500622285065 1.4495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      6441 days (17.63 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58091  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:27:56  

Additional Information
 Earth MOID = 1.09469 au 
 Jupiter MOID = 2.47732 au 
 T_jup = 3.399 
[ 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 15.3   n/a MPO338284  

154004 Haolei           Discovered 2002 Jan. 13 by the Sloan Digital Sky Survey at Apache Point.
Lei Hao (b. 1976) is a Chinese astronomer and a contributor to the Sloan Digital Sky Survey, best known for her work on the luminosity function of the Active Galactic Nuclei in the local Universe and the discovery of their silicate dust emissions.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2002 AW205 = 2005 UR357 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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