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171183 Haleakala (2005 HJ4)
Classification: Main-belt Asteroid          SPK-ID: 2171183
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106082816811803 9.3682e-08  
a 2.77352321113449 4.3529e-08 AU
q 2.479300056404426 2.5664e-07 AU
i 4.029965218035106 8.4601e-06 deg
node 52.04100037380818 0.000139 deg
peri 311.6274732748425 0.00014539 deg
M 256.6498239835188 4.848e-05 deg
tp 2457484.845036899206
(2016-Apr-06.34503690)
0.00023433 JED
period 1687.120622377153
4.62
3.9717e-05
1.087e-07
d
yr
n .2133813049435434 5.0233e-09 deg/d
Q 3.067746365864554 4.8146e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      4255 days (11.65 yr)  
   first obs. used      2002-11-04  
   last obs. used      2014-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53492  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 15:53:56  

Additional Information
 Earth MOID = 1.47955 AU 
 T_jup = 3.324 
[ 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 16.2 mag n/a MPO254210  

171183 Haleakala           Discovered 2005 Apr. 30 by the Faulkes Telescope Educational Project at Haleakala-Faulkes.
Haleakala (Hawaiian for "the house of the sun") is a 3055-m high dormant volcano on the island of Maui. The summit is of religious significance. It is the location of many astronomical telescopes, including the Faulkes Telescope North (used for both research and education observations).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2005 HJ4 = 2004 CD47 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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