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343158 (2009 HC82)
Classification: Apollo [NEO]          SPK-ID: 2343158
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8075213901958013 9.3115e-08  
a 2.52724635835552 1.9572e-07 AU
q .4864408656889943 2.4358e-07 AU
i 154.49558358 1.5346e-05 deg
node 294.9501405713808 4.564e-05 deg
peri 298.5038989365846 3.8898e-05 deg
M 186.1891638596343 4.2421e-05 deg
tp 2457709.006997768844
(2016-Nov-16.50699777)
0.00021406 JED
period 1467.471907164643
4.02
0.00017047
4.667e-07
d
yr
n .2453198580786254 2.8498e-08 deg/d
Q 4.568051851022045 3.5377e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      3325 days (9.10 yr)  
   first obs. used      2004-03-18  
   last obs. used      2013-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62694  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 18:05:45  

Additional Information
 Earth MOID = .14246 AU 
 T_jup = 1.317 
[ 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 16.2 mag n/a MPO294657  

343158 (2009 HC82)          Discovered 2009-Apr-29 by CSS at Catalina (703)
Reference: 20121029/Numbers.arcLast Updated: 2012-11-08

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