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171429 Hunstead (2007 RD5)
Classification: Main-belt Asteroid          SPK-ID: 2171429
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: MPO192334 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.0933436 n/a  
a 3.1154984 n/a AU
q 2.8246866 n/a AU
i 15.51441 n/a deg
node 20.57442 n/a deg
peri 291.68126 n/a deg
M 29.32741 n/a deg
tp 2456236.8707476
(2012-Nov-05.37074760)
n/a JED
period 2008.5827858
5.50
n/a
n/a
d
yr
n 0.17923085 n/a deg/d
Q 3.4063102 n/a AU
  Orbit Determination Parameters
   # obs. used (total)      90  
   first obs. used      2000-??-??  
   last obs. used      2011-01-14  
   # oppositions      8  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.46  
   data source      MPC:mpu  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.155 

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO192334  

171429 Hunstead           Discovered 2007 Sept. 1 by K. Sárneczky and L. Kiss at Siding Spring.
Richard (Dick) W. Hunstead (b. 1943) is an Australian astronomer who has spent most of his career in Sydney. His primary research interest is the high-redshift universe, including quasars, high-redshift radio galaxies, clusters of galaxies and giant radio galaxies. He is also renowned as an enthusiastic teacher.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

Alternate Designations
 2007 RD5 = 2000 FL65 = 2002 TB195 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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