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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8066689531772184 5.8421e-08  
a 2.527102369424922 5.4542e-08 au
q .4885673465092517 1.5079e-07 au
i 154.3711317158547 1.0128e-05 deg
node 295.400892111643 2.3264e-05 deg
peri 298.8779871490224 2.091e-05 deg
M 5.86611142822133 1.4864e-05 deg
tp 2459176.589949863844
(2020-Nov-23.08994986)
6.0428e-05 TDB
period 1467.346495943738
4.02
4.7504e-05
1.301e-07
d
yr
n .2453408250847135 7.9427e-09 deg/d
Q 4.565637392340591 9.8539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      6235 days (17.07 yr)  
   first obs. used      2004-03-18  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:27:30  

Additional Information
 Earth MOID = .147142 au 
 Jupiter MOID = 1.92281 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 16.27   n/a E2021B25  

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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