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JPL Small-Body Database Browser
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49810 (1999 XH43)
Classification: Main-belt Asteroid          SPK-ID: 2049810
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206598729803057 3.3998e-08  
a 2.283278527789734 7.7305e-09 au
q 2.007778430647965 7.6355e-08 au
i 4.341202456904878 3.6847e-06 deg
node 247.9686825924703 5.0928e-05 deg
peri 335.9646464097069 5.3546e-05 deg
M 62.43937613737146 1.5809e-05 deg
tp 2458381.928858675394
(2018-Sep-20.42885868)
5.5243e-05 TDB
period 1260.192137470171
3.45
6.4e-06
1.752e-08
d
yr
n .2856707237697087 1.4508e-09 deg/d
Q 2.558778624931502 8.6633e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1206  
   data-arc span      7790 days (21.33 yr)  
   first obs. used      1998-07-21  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55032  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:24:14  

Additional Information
 Earth MOID = .99945 au 
 Jupiter MOID = 2.42747 au 
 T_jup = 3.590 
[ 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 15.3   n/a MPO493211  

49810 (1999 XH43)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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