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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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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8066223167879436 4.8476e-08  
a 2.526819007430316 4.3133e-08 au
q .4886304055530625 1.2213e-07 au
i 154.3712446224062 7.9064e-06 deg
node 295.4023488491714 2.0818e-05 deg
peri 298.8800744383686 1.89e-05 deg
M 53.96379806963305 1.4523e-05 deg
tp 2459176.582577254333
(2020-Nov-23.08257725)
5.7695e-05 TDB
period 1467.099704255089
4.02
3.7565e-05
1.028e-07
d
yr
n .2453820956788944 6.283e-09 deg/d
Q 4.565007609307569 7.7924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      6319 days (17.30 yr)  
   first obs. used      2004-03-18  
   last obs. used      2021-07-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 05:56:00  

Additional Information
 Earth MOID = .147289 au 
 Jupiter MOID = 1.9232 au 
 T_jup = 1.317 
[ 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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