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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2359961449608637 7.8902e-08  
a 2.342388503583139 1.5844e-08 AU
q 1.789593846736872 1.8993e-07 AU
i 7.002118648988719 8.4318e-06 deg
node 45.60787061462617 4.7068e-05 deg
peri 345.7856331758002 4.9956e-05 deg
M 38.38159480401919 1.5522e-05 deg
tp 2456660.892955161309
(2014-Jan-03.39295516)
5.5656e-05 JED
period 1309.443664301979
3.59
1.3286e-05
3.638e-08
d
yr
n .2749259168716541 2.7894e-09 deg/d
Q 2.895183160429406 1.9583e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      11799 days (32.30 yr)  
   first obs. used      1981-10-30  
   last obs. used      2014-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6037  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 15:20:11  

Additional Information
 Earth MOID = .795308 AU 
 T_jup = 3.516 
[ 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 15.6 mag n/a MPO273004  

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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