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8324 Juliadeleon (1981 DF2)
Classification: Main-belt Asteroid          SPK-ID: 2008324
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2012183195060832 6.4699e-08  
a 2.317650729020587 1.0767e-08 au
q 1.851296944125016 1.5216e-07 au
i 7.307991473686559 5.4033e-06 deg
node 255.8773527920188 5.9892e-05 deg
peri 126.8171337385105 6.2878e-05 deg
M 107.8700454504984 1.7848e-05 deg
tp 2457014.338680210381
(2014-Dec-22.83868021)
6.3466e-05 JED
period 1288.755136272363
3.53
8.9808e-06
2.459e-08
d
yr
n .2793393328706923 1.9466e-09 deg/d
Q 2.784004513916158 1.2934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      22445 days (61.45 yr)  
   first obs. used      1954-07-04  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52863  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:07:04  

Additional Information
 Earth MOID = .864624 au 
 Jupiter MOID = 2.70121 au 
 T_jup = 3.542 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO309216  

8324 Juliadeleón           Discovered 1981 Feb. 28 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Named in honor of Julia de León Cruz (b. 1977), an astronomer at the Instituto de Astrofisica de Andalucia--Consejo Superior de Investigaciones Cient{í}ficas, in Granada, Spain. Her expertise is in the spectroscopic and mineralogical properties of minor planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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