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226066 (2002 HK9)
Classification: Main-belt Asteroid          SPK-ID: 2226066
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19194145089141 4.4066e-08  
a 2.912495303101481 2.5276e-08 au
q 2.353466728909766 1.2503e-07 au
i 9.953114410302572 5.3611e-06 deg
node 158.1161737207673 3.3792e-05 deg
peri 116.099142983503 3.7649e-05 deg
M 187.1036993914106 1.7992e-05 deg
tp 2459872.425697727143
(2022-Oct-19.92569773)
9.6244e-05 TDB
period 1815.500100793813
4.97
2.3633e-05
6.47e-08
d
yr
n .198292470401182 2.5813e-09 deg/d
Q 3.471523877293196 3.0127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      6498 days (17.79 yr)  
   first obs. used      2002-04-10  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:49:34  

Additional Information
 Earth MOID = 1.35788 au 
 Jupiter MOID = 1.78474 au 
 T_jup = 3.233 
[ 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 15.6   n/a MPO454622  

226066 (2002 HK9)          Discovered 2002-Apr-16 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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