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JPL Small-Body Database Browser
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359302 (2009 HM84)
Classification: Main-belt Asteroid          SPK-ID: 2359302
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080609457196593 8.7366e-08  
a 2.742277314153254 3.6568e-08 au
q 2.445944234160286 2.2954e-07 au
i 6.085206363287721 7.8287e-06 deg
node 106.4953572083552 9.0356e-05 deg
peri 115.5512311059751 0.00010061 deg
M 76.81119107129788 4.409e-05 deg
tp 2458246.594361452011
(2018-May-08.09436145)
0.0002011 TDB
period 1658.690981096944
4.54
3.3178e-05
9.084e-08
d
yr
n .2170386190693101 4.3413e-09 deg/d
Q 3.038610394146222 4.052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5638 days (15.44 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58343  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:44:32  

Additional Information
 Earth MOID = 1.44466 au 
 Jupiter MOID = 1.96049 au 
 T_jup = 3.333 
[ 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 17.0   n/a MPO446597  

359302 (2009 HM84)          Discovered 2009-Apr-27 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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