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JPL Small-Body Database Browser
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230765 Alfbester (2003 XN15)
Classification: Main-belt Asteroid          SPK-ID: 2230765
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278405382895788 5.5695e-08  
a 3.082756871145643 3.437e-08 au
q 2.688655573322486 1.7755e-07 au
i 8.19454056499861 5.9515e-06 deg
node 268.4249677945637 5.9302e-05 deg
peri 194.912893731093 6.8186e-05 deg
M 285.2967113058258 3.3422e-05 deg
tp 2459010.746192548174
(2020-Jun-10.24619255)
0.00018577 TDB
period 1977.003046304445
5.41
3.3063e-05
9.052e-08
d
yr
n .1820938013590509 3.0453e-09 deg/d
Q 3.476858168968799 3.8764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      6305 days (17.26 yr)  
   first obs. used      2002-08-22  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:42:03  

Additional Information
 Earth MOID = 1.70664 au 
 Jupiter MOID = 1.70144 au 
 T_jup = 3.199 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO454663  

230765 Alfbester           Discovered 2003 Dec. 15 by B. Christophe at Saint-Sulpice.
Alfred Bester (1913-1987) was an American science-fiction writer. He won the first Hugo award in 1953 for the novel The Demolished Man. The discoverer's favorite novel is the story of Gulliver Foyle in The Stars My Destination, published in 1955.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100330/MPCPages.arcLast Updated: 2010-04-05

[ show close-approach data ]
Alternate Designations
 2003 XN15 = 2008 UC215 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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