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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456836.5 (2014-Jun-28.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073822520082751 2.8165e-08  
q 1.765446975915676 6.1957e-08 au
tp 2456570.926073535929
(2013-Oct-05.42607354)
4.6219e-05 TDB
node 72.19547031867376 3.7526e-05 deg
peri 213.4318690062955 3.9508e-05 deg
i 5.721025894110619 3.4756e-06 deg
  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
 Jupiter MOID = 2.47248 au 
 T_jup = 3.609 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.932540585585895E-16 -1.737539207589775E-15 3.92457568915223E-14 -2.535512042536288E-15 1.225982551022111E-14 8.46483839233296E-16
q -1.737539207589775E-15 3.838620219964965E-15 -1.754432473464858E-14 4.710689937221778E-15 -6.950179999494113E-15 -1.771207900003663E-15
tp 3.92457568915223E-14 -1.754432473464858E-14 2.136195816685815E-9 -1.262223592043718E-11 5.861003105272613E-10 1.139514481262021E-12
node -2.535512042536288E-15 4.710689937221778E-15 -1.262223592043718E-11 1.408229458362769E-9 -1.404213755067571E-9 -2.857878325715096E-11
peri 1.225982551022111E-14 -6.950179999494113E-15 5.861003105272613E-10 -1.404213755067571E-9 1.560865079357166E-9 2.874894393942845E-11
i 8.46483839233296E-16 -1.771207900003663E-15 1.139514481262021E-12 -2.857878325715096E-11 2.874894393942845E-11 1.207960817067823E-11

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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