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

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO254210 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.1063195 n/a  
a 2.7728796 n/a AU
q 2.4780684 n/a AU
i 4.03057 n/a deg
node 52.04036 n/a deg
peri 311.85909 n/a deg
M 128.32089 n/a deg
tp 2455799.3403959
(2011-Aug-25.84039590)		 n/a JED
period 1686.5333265
4.62		 n/a
n/a		 d
yr
n 0.21345561 n/a deg/d
Q 3.0676908 n/a AU
   Orbit Determination Parameters
   # obs. used (total)      122  
   first obs. used      2002-??-??  
   last obs. used      2013-02-12  
   # oppositions      8  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.30  
   data source      MPC:mpu  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.325 
 MPC critical-list numbered object 

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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

Alternate Designations
 2005 HJ4 = 2004 CD47 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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