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JPL Small-Body Database Browser
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160863 (2001 HG20)
Classification: Main-belt Asteroid          SPK-ID: 2160863
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3392938871007798 6.1059e-08  
a 3.099020872360117 2.0254e-08 au
q 2.047542034370604 1.9528e-07 au
i 19.63500186320771 8.2331e-06 deg
node 138.1957829554881 1.941e-05 deg
peri 90.97356205176945 2.6593e-05 deg
M 110.7543960258753 1.2994e-05 deg
tp 2457987.453169921375
(2017-Aug-21.95316992)
6.8665e-05 TDB
period 1992.669065494646
5.46
1.9535e-05
5.348e-08
d
yr
n .1806622114197553 1.7711e-09 deg/d
Q 4.150499710349631 2.7126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      9029 days (24.72 yr)  
   first obs. used      1995-02-06  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:42:51  

Additional Information
 Earth MOID = 1.14726 au 
 Jupiter MOID = 1.61224 au 
 T_jup = 3.047 
[ 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 15.1   n/a MPO454066  

160863 (2001 HG20)          Discovered 2001-Apr-26 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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