Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
8253 Brunetto (1981 EU15)
Classification: Main-belt Asteroid          SPK-ID: 2008253
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1117320850475923 5.6143e-08  
a 2.290490441244934 1.5004e-08 AU
q 2.034569168463058 1.2659e-07 AU
i 4.648031627321647 5.9546e-06 deg
node 232.0861950840654 7.6606e-05 deg
peri 243.8383429268364 8.2483e-05 deg
M 260.4476825808441 3.0467e-05 deg
tp 2457150.638628136376
(2015-May-08.13862814)
0.00010806 JED
period 1266.167472509693
3.47
1.2441e-05
3.406e-08
d
yr
n .2843225780286692 2.7938e-09 deg/d
Q 2.54641171402681 1.6681e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      12816 days (35.09 yr)  
   first obs. used      1978-06-10  
   last obs. used      2013-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57145  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:12:43  

Additional Information
 Earth MOID = 1.05573 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 15.3 mag n/a MPO266002  
rotation period rot_per 3.9 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-30 21:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin