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441807 (2009 HE34)
Classification: Main-belt Asteroid          SPK-ID: 2441807
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2702133945889484 9.3863e-08  
a 3.034230779842424 8.4622e-08 au
q 2.21434098085493 2.5977e-07 au
i 14.95407235577786 6.7678e-06 deg
node 68.58385975522529 4.2031e-05 deg
peri 232.5538920021777 4.693e-05 deg
M 345.4744579056347 2.977e-05 deg
tp 2459078.393494850454
(2020-Aug-16.89349485)
0.00016221 TDB
period 1930.506824736087
5.29
8.0761e-05
2.211e-07
d
yr
n .1864795272346237 7.8012e-09 deg/d
Q 3.854120578829917 1.0749e-07 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      6722 days (18.40 yr)  
   first obs. used      2000-11-30  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:27:24  

Additional Information
 Earth MOID = 1.23336 au 
 Jupiter MOID = 1.53248 au 
 T_jup = 3.136 
[ 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 16.0   n/a MPO437717  

441807 (2009 HE34)          Discovered 2009-Mar-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2009 HE34 = 2014 GN51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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