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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 56 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8066985832326612 6.8839e-08  
a 2.527343150549561 6.8299e-08 au
q .4885390116584598 1.7789e-07 au
i 154.3710576221914 1.1337e-05 deg
node 295.4007936972769 2.5782e-05 deg
peri 298.8770516093198 2.1792e-05 deg
M 316.8055308873359 2.4455e-05 deg
tp 2459176.584198656424
(2020-Nov-23.08419866)
0.00010264 TDB
period 1467.556213064495
4.02
5.9489e-05
1.629e-07
d
yr
n .245305765322789 9.9437e-09 deg/d
Q 4.566147289440663 1.2339e-07 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5876 days (16.09 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57118  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-20 06:59:19  

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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