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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2370421446336941 6.9728e-08  
a 2.341391884551409 1.4476e-08 au
q 1.786383330809417 1.6653e-07 au
i 7.004535001555386 6.9645e-06 deg
node 45.54465379124952 4.659e-05 deg
peri 345.7409679436864 4.8896e-05 deg
M 258.4616121316648 1.6845e-05 deg
tp 2457969.594312441697
(2017-Aug-04.09431244)
6.3889e-05 JED
period 1308.608057194177
3.58
1.2136e-05
3.323e-08
d
yr
n .2751014698563649 2.5513e-09 deg/d
Q 2.896400438293402 1.7908e-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 = .791951 au 
 Jupiter MOID = 2.54281 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 15.7 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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