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173663 (2001 HW63)
Classification: Main-belt Asteroid          SPK-ID: 2173663
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262445613101556 5.6172e-08  
a 2.412222665079742 1.6884e-08 au
q 2.107692672944335 1.3221e-07 au
i .9940101871361567 6.3482e-06 deg
node 193.610413901754 0.00022936 deg
peri 6.588711145999907 0.00022995 deg
M 49.45339371388216 1.7859e-05 deg
tp 2458812.517198790371
(2019-Nov-25.01719879)
6.7031e-05 TDB
period 1368.436084022878
3.75
1.4367e-05
3.933e-08
d
yr
n .2630740333459238 2.762e-09 deg/d
Q 2.716752657215149 1.9015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      6446 days (17.65 yr)  
   first obs. used      2001-04-27  
   last obs. used      2018-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:45:29  

Additional Information
 Earth MOID = 1.105 au 
 Jupiter MOID = 2.24052 au 
 T_jup = 3.508 
[ 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 16.8   n/a MPO422664  

173663 (2001 HW63)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 HW63 = 2006 SQ86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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