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117815 (2005 HM5)
Classification: Main-belt Asteroid          SPK-ID: 2117815
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128659427100141 7.3403e-08  
a 2.335702199241561 1.3017e-08 au
q 2.072080968634309 1.7725e-07 au
i 3.293288437651345 6.5437e-06 deg
node 162.6059112849518 9.6144e-05 deg
peri 54.57872285813966 9.9097e-05 deg
M 88.78200213575057 2.3689e-05 deg
tp 2458678.951072601854
(2019-Jul-14.45107260)
8.4977e-05 TDB
period 1303.840993429449
3.57
1.0899e-05
2.984e-08
d
yr
n .2761072874792073 2.3081e-09 deg/d
Q 2.599323429848812 1.4486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      8644 days (23.67 yr)  
   first obs. used      1995-09-21  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56397  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:16:27  

Additional Information
 Earth MOID = 1.06703 au 
 Jupiter MOID = 2.36823 au 
 T_jup = 3.557 
[ 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 16.4   n/a MPO475034  

117815 (2005 HM5)          Discovered 2005-Apr-30 by CINEOS at Campo Imperatore
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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