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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 55 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8066985770681333 7.0107e-08  
a 2.527343141145516 7.2528e-08 au
q .4885390254205218 1.8021e-07 au
i 154.3710576180471 1.1337e-05 deg
node 295.4007963275552 2.6166e-05 deg
peri 298.8770537235857 2.2153e-05 deg
M 316.8055346438122 2.6137e-05 deg
tp 2459176.584182360186
(2020-Nov-23.08418236)
0.00011022 TDB
period 1467.556204873503
4.02
6.3173e-05
1.73e-07
d
yr
n .2453057666919342 1.0559e-08 deg/d
Q 4.56614725687051 1.3104e-07 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      5799 days (15.88 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-03 05:42:32  

Additional Information
 Earth MOID = .147173 au 
 Jupiter MOID = 1.92211 au 
 T_jup = 1.316 
[ 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 MPO294657  

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

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