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JPL Small-Body Database Browser
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226683 (2004 HC51)
Classification: Main-belt Asteroid          SPK-ID: 2226683
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1327787824186513 4.1912e-08  
a 2.299740161451946 1.3865e-08 au
q 1.994383462935084 9.3484e-08 au
i 5.174821878929859 4.5229e-06 deg
node 248.2801618426367 4.8971e-05 deg
peri 283.4560153293122 5.2022e-05 deg
M 145.8316353833135 1.9905e-05 deg
tp 2458084.480841084503
(2017-Nov-26.98084108)
6.8674e-05 TDB
period 1273.844983780761
3.49
1.152e-05
3.154e-08
d
yr
n .2826089552368633 2.5558e-09 deg/d
Q 2.605096859968808 1.5707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      5665 days (15.51 yr)  
   first obs. used      2004-04-23  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61207  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:55:41  

Additional Information
 Earth MOID = 1.0076 au 
 Jupiter MOID = 2.39116 au 
 T_jup = 3.575 
[ 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 16.7   n/a MPO450051  

226683 (2004 HC51)          Discovered 2004-Apr-23 by Siding Spring Survey at Siding Spring
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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