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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8076178048565589 1.4245e-07  
a 2.527185975734522 2.1477e-07 AU
q .4861855855475266 3.5618e-07 AU
i 154.4968149943797 1.7316e-05 deg
node 294.9442677879929 7.0238e-05 deg
peri 298.505914218994 6.366e-05 deg
M 137.0806243841532 4.8072e-05 deg
tp 2456241.736789156219
(2012-Nov-10.23678916)
0.00019498 JED
period 1467.419314782572
4.02
0.00018706
5.121e-07
d
yr
n .2453286503546816 3.1274e-08 deg/d
Q 4.568186365921518 3.8822e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      106  
   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      1  
   fit RMS      .62509  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 09:43:33  

Additional Information
 Earth MOID = .142177 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 16.1 mag n/a MPO264872  

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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