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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10782522165314 8.7386e-08  
a 2.742219612604572 3.6399e-08 au
q 2.446539175053896 2.2951e-07 au
i 6.085313532160259 7.829e-06 deg
node 106.495207544542 9.0351e-05 deg
peri 115.4806742531426 0.00010065 deg
M 163.7300325323164 4.4744e-05 deg
tp 2458246.141786791365
(2018-May-07.64178679)
0.00020152 TDB
period 1658.638629424978
4.54
3.3024e-05
9.041e-08
d
yr
n .2170454694672135 4.3214e-09 deg/d
Q 3.037900050155247 4.0324e-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 = 1.44521 au 
 Jupiter MOID = 1.96036 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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