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4331 Hubbard (1983 HC)
Classification: Main-belt Asteroid          SPK-ID: 2004331
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2069465771593249 2.8103e-08  
a 2.228197649230533 7.3659e-09 au
q 1.76707977248782 6.182e-08 au
i 5.718994734131228 3.4748e-06 deg
node 72.12878692910267 3.7544e-05 deg
peri 213.5707884950951 3.9543e-05 deg
M 359.9979655142603 1.5091e-05 deg
tp 2459000.506865641839
(2020-May-31.00686564)		 5.0928e-05 TDB
period 1214.867724947362
3.33		 6.0241e-06
1.649e-08		 d
yr
n .2963285570991674 1.4694e-09 deg/d
Q 2.689315525973246 8.8902e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2456  
   data-arc span      25490 days (69.79 yr)  
   first obs. used      1950-07-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:06:18  

Additional Information
 Earth MOID = .754061 au 
 Jupiter MOID = 2.47248 au 
 T_jup = 3.609 
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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO473825  
diameter diameter 6.045 km 0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.206   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4331 Hubbard (1983 HC)          Discovered 1983-Apr-18 by Thomas, N. G. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1983 HC = 1940 LO = 1950 NT = 1970 LG = 1986 ES1 = 1987 SR29 = 1987 UF9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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