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JPL Small-Body Database Browser
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266582 (2008 HC25)
Classification: Main-belt Asteroid          SPK-ID: 2266582
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1258727794216938 9.1071e-08  
a 2.400686922661533 1.6249e-08 au
q 2.098505787184813 2.1597e-07 au
i 2.728579816347937 8.8735e-06 deg
node 210.1705571874061 0.00013267 deg
peri 187.3354529304042 0.00013626 deg
M 159.3593338619703 2.8193e-05 deg
tp 2457999.081584822313
(2017-Sep-02.58158482)
0.0001055 TDB
period 1358.63161709435
3.72
1.3794e-05
3.777e-08
d
yr
n .2649724881052873 2.6902e-09 deg/d
Q 2.702868058138253 1.8294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      1998-09-25  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59896  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:47:35  

Additional Information
 Earth MOID = 1.10511 au 
 Jupiter MOID = 2.68825 au 
 T_jup = 3.514 
[ 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 17.4   n/a MPO433731  

266582 (2008 HC25)          Discovered 2008-Apr-27 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 HC25 = 2002 WN29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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