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120166 (2003 HC47)
Classification: Main-belt Asteroid          SPK-ID: 2120166
[ 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 .05335627305917878 4.2806e-08  
a 3.141028874899797 2.5975e-08 au
q 2.973435280563879 1.4445e-07 au
i 22.03934299946767 6.6848e-06 deg
node 217.7909868634514 1.1277e-05 deg
peri 103.1059433945732 6.7871e-05 deg
M 302.4142626680072 6.5528e-05 deg
tp 2459325.751082952789
(2021-Apr-21.25108295)		 0.00037059 TDB
period 2033.322751221465
5.57		 2.5222e-05
6.905e-08		 d
yr
n .1770501017527786 2.1962e-09 deg/d
Q 3.308622469235716 2.7361e-08 au
   Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      21875 days (59.89 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:03  

Additional Information
 Earth MOID = 2.04493 au 
 Jupiter MOID = 1.87617 au 
 T_jup = 3.095 
[ 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 14.16   n/a E2021B55  
diameter diameter 8.306 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120166 (2003 HC47)          Discovered 2003-Apr-28 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2003 HC47 = 1999 TM271 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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