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116166 Andremaeder (2003 XJ)
Classification: Main-belt Asteroid          SPK-ID: 2116166
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2296955757205897 1.1793e-07  
a 3.116554544701191 7.5879e-08 AU
q 2.40069575429143 3.7538e-07 AU
i 5.10114591150296 1.4753e-05 deg
node 222.5420856441028 0.00012126 deg
peri 168.1360688024325 0.0001248 deg
M 32.31616491882448 2.9955e-05 deg
tp 2456820.103610955042
(2014-Jun-11.60361096)
0.00016334 JED
period 2009.604178568694
5.50
7.3392e-05
2.009e-07
d
yr
n .1791397549025818 6.5423e-09 deg/d
Q 3.832413335110951 9.3307e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5323 days (14.57 yr)  
   first obs. used      1997-10-30  
   last obs. used      2012-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5579  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 23:51:39  

Additional Information
 Earth MOID = 1.40643 AU 
 T_jup = 3.170 
[ 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 15.1 mag n/a MPO232001  

116166 Andrémaeder           Discovered 2003 Dec. 3 by R. Behrend and R. Gauderon at the European Southern Observatory.
André Maeder (b. 1942) is a former director of Geneva Observatory. His principal scientfic interest is the structure and evolution of stars. He is also renowned for his course on cosmology and as a very good performer on the alpenhorn.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070402/MPCPages.arcLast Updated: 2007-07-05

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