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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .23634367887401 6.9596e-08  
a 2.342732352965109 1.4519e-08 AU
q 1.78904237004817 1.6621e-07 AU
i 7.001496856021581 6.9602e-06 deg
node 45.57403300374423 4.6611e-05 deg
peri 345.8203235720119 4.8935e-05 deg
M 93.32111992711326 1.5768e-05 deg
tp 2456660.984285140948
(2014-Jan-03.48428514)
5.5183e-05 JED
period 1309.732003267009
3.59
1.2175e-05
3.333e-08
d
yr
n .2748653916236393 2.5552e-09 deg/d
Q 2.896422335882049 1.795e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      12223 days (33.46 yr)  
   first obs. used      1981-10-30  
   last obs. used      2015-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59653  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 18:47:33  

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
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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