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JPL Small-Body Database Browser
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117814 (2005 HG4)
Classification: Main-belt Asteroid          SPK-ID: 2117814
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115017821490691 3.927e-08  
a 2.748634812820959 1.9853e-08 au
q 2.44215713271445 1.0749e-07 au
i 12.15817799944091 5.866e-06 deg
node 173.3460460455836 2.0675e-05 deg
peri 114.4894199190041 3.4462e-05 deg
M 331.4447900705052 2.7566e-05 deg
tp 2458732.525204099962
(2019-Sep-06.02520410)
0.00012785 TDB
period 1664.462407852706
4.56
1.8033e-05
4.937e-08
d
yr
n .2162860502595729 2.3432e-09 deg/d
Q 3.055112492927469 2.2066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2000-03-06  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:12:31  

Additional Information
 Earth MOID = 1.45531 au 
 Jupiter MOID = 2.19782 au 
 T_jup = 3.305 
[ 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 15.4   n/a MPO396008  

117814 (2005 HG4)          Discovered 2005-Apr-30 by Lowe, A. at New Mexico Skies
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 HG4 = 2002 UQ49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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