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154004 Haolei (2002 AW205)
Classification: Main-belt Asteroid          SPK-ID: 2154004
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839856943737292 1.4867e-07  
a 2.520162525867741 2.4071e-08 AU
q 2.056488673611314 3.786e-07 AU
i 12.86606750921714 9.1447e-06 deg
node 94.82809700802187 6.0578e-05 deg
peri 301.7906088438085 6.2736e-05 deg
M 42.12628931246203 2.3455e-05 deg
tp 2456629.501635629508
(2013-Dec-03.00163563)
9.4259e-05 JED
period 1461.306281138941
4.00
2.0936e-05
5.732e-08
d
yr
n .2463549254844892 3.5296e-09 deg/d
Q 2.983836378124169 2.85e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      4505 days (12.33 yr)  
   first obs. used      2001-09-12  
   last obs. used      2014-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .67355  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-22 14:03:57  

Additional Information
 Earth MOID = 1.09564 AU 
 T_jup = 3.398 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1 mag n/a MPO266501  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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