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226065 (2002 HE9)
Classification: Main-belt Asteroid          SPK-ID: 2226065
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680410882407456 5.0699e-08  
a 2.7722955434416 1.6393e-08 au
q 2.306435983396705 1.449e-07 au
i 10.26694004130983 5.7264e-06 deg
node 58.46262294836301 3.0291e-05 deg
peri 110.7491155081411 3.8983e-05 deg
M 357.3880397979192 1.9848e-05 deg
tp 2459012.732684415006
(2020-Jun-12.23268441)
9.2961e-05 TDB
period 1686.000569952778
4.62
1.4954e-05
4.094e-08
d
yr
n .2135230594910671 1.8938e-09 deg/d
Q 3.238155103486496 1.9147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      8952 days (24.51 yr)  
   first obs. used      1995-10-26  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:27:49  

Additional Information
 Earth MOID = 1.3353 au 
 Jupiter MOID = 1.80824 au 
 T_jup = 3.293 
[ 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 15.8   n/a MPO418208  

226065 (2002 HE9)          Discovered 2002-Apr-16 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2002 HE9 = 1995 UF83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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