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243381 Alessio (2008 YM4)
Classification: Main-belt Asteroid          SPK-ID: 2243381
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2214040217445779 1.5239e-07  
a 2.339377675104941 6.2406e-08 AU
q 1.821430049457227 3.2928e-07 AU
i 24.08756425823674 2.2626e-05 deg
node 274.4871165109639 3.6281e-05 deg
peri 332.2845904754728 5.7055e-05 deg
M 90.68406031655107 4.9034e-05 deg
tp 2456671.286682759186
(2014-Jan-13.78668276)
0.00017129 JED
period 1306.919802586983
3.58
5.2296e-05
1.432e-07
d
yr
n .2754568408003291 1.1022e-08 deg/d
Q 2.857325300752656 7.6223e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4670 days (12.79 yr)  
   first obs. used      2001-11-17  
   last obs. used      2014-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55452  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 17:34:43  

Additional Information
 Earth MOID = .827843 AU 
 T_jup = 3.418 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2 mag n/a MPO264589  

243381 Alessio           Discovered 2008 Dec. 22 by G. Muler and J. M. Ruiz at Nazaret Observatory, Lanzarote.
Alessio Muler (b. 2002), second son of the first discoverer, shares with his father a passion for the skies.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100923/MPCPages.arcLast Updated: 2010-12-06

Alternate Designations
 2008 YM4 = 2006 BO217 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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