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9425 Marconcini (1996 CM7)
Classification: Main-belt Asteroid          SPK-ID: 2009425
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2261103626357595 8.2778e-08  
a 2.320287073782138 1.3792e-08 AU
q 1.795646122110194 1.9404e-07 AU
i 9.232791741240062 8.3485e-06 deg
node 339.7826344736098 3.9584e-05 deg
peri 55.31812592113801 4.321e-05 deg
M 206.3170964775786 1.5907e-05 deg
tp 2457551.604635523977
(2016-Jun-12.10463552)
5.9674e-05 JED
period 1290.954714163679
3.53
1.151e-05
3.151e-08
d
yr
n .2788633838586811 2.4864e-09 deg/d
Q 2.844928025454083 1.6911e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      8190 days (22.42 yr)  
   first obs. used      1991-12-01  
   last obs. used      2014-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54228  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:15:12  

Additional Information
 Earth MOID = .818846 AU 
 T_jup = 3.527 
[ 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 14.1 mag n/a MPO293504  

9425 Marconcini           Discovered 1996 Feb. 14 by M. Tombelli and U. Munari at Cima Ekar.
Massimiliano Marconcini (1955) is an amateur astronomer of the Montelupo group. A 1988 architecture graduate from the University of Florence, he designed the public observatory of Montelupo.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000726/MPCPages.arcLast Updated: 2013-03-29

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