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 ]  
31015 Boccardi (1996 DS1)
Classification: Main-belt Asteroid          SPK-ID: 2031015
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07471160106979027 6.4525e-08  
a 2.259064198164439 1.5829e-08 AU
q 2.090285895000132 1.4184e-07 AU
i 5.468540232273567 8.0329e-06 deg
node 153.3445732413124 6.0659e-05 deg
peri 328.6685244539209 8.3615e-05 deg
M 160.3383927230102 5.6181e-05 deg
tp 2456248.134797714021
(2012-Nov-16.63479771)
0.00019234 JED
period 1240.1987412115
3.40
1.3035e-05
3.569e-08
d
yr
n .2902760566006787 3.0509e-09 deg/d
Q 2.427842501328747 1.7011e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      6342 days (17.36 yr)  
   first obs. used      1996-02-15  
   last obs. used      2013-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62313  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Oct-23 04:15:44  

Additional Information
 Earth MOID = 1.1077 AU 
 T_jup = 3.611 
[ 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 16.0 mag n/a MPO266109  

31015 Boccardi           Discovered 1996 Feb. 16 at the Osservatorio San Vittore.
Giovanni Boccardi (1859-1936) worked at the observatories of Collegio Romano (Rome) and Collurania (Teramo). Director of the Turin Observatory from 1900 until 1923, he founded the magazine Rivista di Astronomia e Scienze Affini and the society Urania for the popularization of astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

[ 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-Apr-19 06:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin