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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05335627884066646 4.4674e-08  
a 3.141028881046874 2.9749e-08 au
q 2.97343526822315 1.4685e-07 au
i 22.03934472177552 8.0221e-06 deg
node 217.7909854736863 1.1758e-05 deg
peri 103.1059593895738 7.6412e-05 deg
M 302.4142465818113 7.5911e-05 deg
tp 2459325.751174764322
(2021-Apr-21.25117476)
0.00043032 TDB
period 2033.322757190364
5.57
2.8886e-05
7.909e-08
d
yr
n .177050101233041 2.5153e-09 deg/d
Q 3.308622493870597 3.1336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      21792 days (59.66 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5199  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:56:01  

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 14.1   n/a MPO432703  
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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