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259376 (2003 HG27)
Classification: Main-belt Asteroid          SPK-ID: 2259376
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753701358592775 3.9923e-08  
a 2.721143225988605 2.2824e-08 au
q 2.24393596875443 1.0277e-07 au
i 4.872850443118601 5.2351e-06 deg
node 131.5787164942211 5.2115e-05 deg
peri 122.538912910538 5.5001e-05 deg
M 266.4470639106063 1.8892e-05 deg
tp 2459426.569503439929
(2021-Jul-31.06950344)		 8.9517e-05 TDB
period 1639.553258828869
4.49		 2.0628e-05
5.648e-08		 d
yr
n .2195720072290592 2.7625e-09 deg/d
Q 3.198350483222779 2.6826e-08 au
   Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      6611 days (18.10 yr)  
   first obs. used      2002-01-22  
   last obs. used      2020-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62757  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:10:32  

Additional Information
 Earth MOID = 1.23382 au 
 Jupiter MOID = 1.86867 au 
 T_jup = 3.331 
[ 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 16.2   n/a MPO433689  

259376 (2003 HG27)          Discovered 2003-Apr-27 by LONEOS at Anderson Mesa
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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