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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3385712437656674 5.9291e-08  
a 3.100854167493627 2.0195e-08 au
q 2.050994115269356 1.8998e-07 au
i 19.63363477327254 6.0952e-06 deg
node 138.1754725328825 1.7933e-05 deg
peri 91.02171142951771 2.0972e-05 deg
M 219.0678638729484 1.1035e-05 deg
tp 2459981.278729814455
(2023-Feb-05.77872981)
6.6845e-05 TDB
period 1994.437538928719
5.46
1.9484e-05
5.334e-08
d
yr
n .1805020177234372 1.7634e-09 deg/d
Q 4.150714219717897 2.7033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      9476 days (25.94 yr)  
   first obs. used      1995-02-06  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:02:34  

Additional Information
 Earth MOID = 1.14949 au 
 Jupiter MOID = 1.61021 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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