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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07500583491528869 4.924e-08  
a 2.259090072576909 1.102e-08 au
q 2.089645135534438 1.0973e-07 au
i 5.469001997120766 5.7573e-06 deg
node 153.3437196529019 4.6477e-05 deg
peri 328.9370085439043 5.7951e-05 deg
M 32.32259634274799 3.484e-05 deg
tp 2457489.146855555759
(2016-Apr-10.64685556)
0.00011983 JED
period 1240.220048378658
3.40
9.0745e-06
2.484e-08
d
yr
n .2902710696143228 2.1239e-09 deg/d
Q 2.42853500961938 1.1846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      7318 days (20.04 yr)  
   first obs. used      1996-02-15  
   last obs. used      2016-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59366  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:05:33  

Additional Information
 Earth MOID = 1.10569 au 
 Jupiter MOID = 2.60717 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 16.1 mag n/a MPO302247  

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 ]
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