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80339 (1999 XB104)
Classification: Main-belt Asteroid          SPK-ID: 2080339
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2363436334950459 7.4253e-08  
a 2.34273236236499 1.547e-08 AU
q 1.789042483537216 1.7836e-07 AU
i 7.001497267609963 7.8535e-06 deg
node 45.57403527304151 4.7029e-05 deg
peri 345.8203102894964 4.9701e-05 deg
M 93.32112230452728 1.5826e-05 deg
tp 2456660.984274448184
(2014-Jan-03.48427445)
5.5516e-05 JED
period 1309.732011149679
3.59
1.2973e-05
3.552e-08
d
yr
n .2748653899693519 2.7226e-09 deg/d
Q 2.896422241192764 1.9126e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      12143 days (33.25 yr)  
   first obs. used      1981-10-30  
   last obs. used      2015-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60115  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 16:11:24  

Additional Information
 Earth MOID = .795808 AU 
 T_jup = 3.515 
[ 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 15.7 mag n/a MPO325009  

80339 (1999 XB104)          Discovered 1999-Dec-07 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XB104 = 1981 UL6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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