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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545499339894326 7.9382e-08  
a 3.987624082280747 9.2281e-08 AU
q 3.371337043589586 3.5828e-07 AU
i 5.563031082400752 8.7401e-06 deg
node 31.76098799874399 7.7754e-05 deg
peri 241.3724755830996 8.3271e-05 deg
M 308.7904299228174 3.1907e-05 deg
tp 2457414.231293630340
(2016-Jan-26.73129363)
0.00026133 JED
period 2908.504513559407
7.96
0.00010096
2.764e-07
d
yr
n .1237749497453709 4.2966e-09 deg/d
Q 4.603911120971908 1.0654e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1993-09-15  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61109  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:27:30  

Additional Information
 Earth MOID = 2.36176 AU 
 T_jup = 3.027 
[ 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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