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55196 Marchini (2001 RM16)
Classification: Outer Main-belt Asteroid          SPK-ID: 2055196
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1551517645838697 7.9335e-08  
a 3.990391710182347 9.2031e-08 au
q 3.371275394966711 3.5818e-07 au
i 5.562103706339074 8.7286e-06 deg
node 31.75259688157007 7.7615e-05 deg
peri 241.3690203337815 8.3096e-05 deg
M 23.04439566217196 3.2334e-05 deg
tp 2457414.126335805134
(2016-Jan-26.62633581)
0.00025971 JED
period 2911.533029277457
7.97
0.00010072
2.758e-07
d
yr
n .1236462016332817 4.2775e-09 deg/d
Q 4.609508025397984 1.0631e-07 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      7999 days (21.90 yr)  
   first obs. used      1993-09-15  
   last obs. used      2015-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61134  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 16:03:57  

Additional Information
 Earth MOID = 2.36006 au 
 Jupiter MOID = .61573 au 
 T_jup = 3.026 
[ 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 13.5 mag n/a MPO296538  

55196 Marchini           Discovered 2001 Sept. 11 by A. Boattini and L. Tesi at San Marcello Pistoiese.
Alessandro Marchini (b. 1965) is a computer scientist in the physics department and director of the astronomical observatory of the University of Siena. He also works in 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: 20080618/MPCPages.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 2001 RM16 = 1999 JS38 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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