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8253 Brunetto (1981 EU15)
Classification: Main-belt Asteroid          SPK-ID: 2008253
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121223896591258 4.8724e-08  
a 2.290715430663782 1.2343e-08 au
q 2.033874942548726 1.1357e-07 au
i 4.648535478151398 5.7832e-06 deg
node 232.046778274884 6.1386e-05 deg
peri 243.7418903452897 6.8304e-05 deg
M 71.14051307403606 2.769e-05 deg
tp 2457150.252567068672
(2015-May-07.75256707)
9.7288e-05 JED
period 1266.354036012114
3.47
1.0235e-05
2.802e-08
d
yr
n .2842806906776868 2.2977e-09 deg/d
Q 2.547555918778839 1.3727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      13428 days (36.76 yr)  
   first obs. used      1978-06-10  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5279  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:31:03  

Additional Information
 Earth MOID = 1.05518 au 
 Jupiter MOID = 2.55113 au 
 T_jup = 3.586 
[ 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 15.4 mag n/a MPO332896  
rotation period rot_per 3.9 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Binzel, R.P.; Xu, S.; Bus, S.J.; Bowell, E. (1992) Icarus 99, 225-237; Science 257, 779-782.]

8253 Brunetto           Discovered 1981 Mar. 1 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Rosario Brunetto (b. 1980) is an astronomer at the Institut d´Astrophysique Spatiale in Orsay, France, who specializes in laboratory ionization investigations of space weathering processes on minor-planet surfaces.
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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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