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JPL Small-Body Database Browser
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441811 (2009 HF102)
Classification: Main-belt Asteroid          SPK-ID: 2441811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .295501750247817 1.4025e-07  
a 3.084558893697782 6.1839e-08 au
q 2.173066341867618 4.1136e-07 au
i 2.616044971275043 9.7051e-06 deg
node 84.42378265645631 0.00034392 deg
peri 226.8601417759269 0.00034472 deg
M 330.6729635067117 2.3728e-05 deg
tp 2459161.695793969970
(2020-Nov-08.19579397)
0.00013334 TDB
period 1978.736782438611
5.42
5.9504e-05
1.629e-07
d
yr
n .1819342538103189 5.4711e-09 deg/d
Q 3.996051445527947 8.0112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      4931 days (13.50 yr)  
   first obs. used      2004-07-17  
   last obs. used      2018-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55955  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:20:46  

Additional Information
 Earth MOID = 1.1598 au 
 Jupiter MOID = 1.30809 au 
 T_jup = 3.156 
[ 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 16.8   n/a MPO434639  

441811 (2009 HF102)          Discovered 2009-Apr-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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