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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3388616133835924 5.9922e-08  
a 3.100175474842406 2.0282e-08 au
q 2.049645011665063 1.9193e-07 au
i 19.63338240841745 7.8204e-06 deg
node 138.1800571477088 1.9384e-05 deg
peri 91.02345326943075 2.5091e-05 deg
M 182.9612122233716 1.2735e-05 deg
tp 2459980.991352534725
(2023-Feb-05.49135253)
7.707e-05 TDB
period 1993.782782549637
5.46
1.9565e-05
5.357e-08
d
yr
n .1805612944152493 1.7719e-09 deg/d
Q 4.150705938019748 2.7154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1995-02-06  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:52:52  

Additional Information
 Earth MOID = 1.14923 au 
 Jupiter MOID = 1.61131 au 
 T_jup = 3.046 
[ 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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