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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067831557649995 1.1743e-08  
a 2.227544628246007 5.5968e-09 au
q 1.766925920409925 2.6288e-08 au
i 5.718683994170353 7.8205e-07 deg
node 72.1208902172239 1.911e-06 deg
peri 213.5169452280507 5.5493e-06 deg
M 59.33104741432397 5.7547e-06 deg
tp 2459000.367526919878
(2020-May-30.86752692)
1.9416e-05 TDB
period 1214.333699617946
3.32
4.5766e-06
1.253e-08
d
yr
n .2964588729714603 1.1173e-09 deg/d
Q 2.688163336082089 6.7541e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3055  
   data-arc span      25777 days (70.57 yr)  
   first obs. used      1950-07-15  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:13:01  

Additional Information
 Earth MOID = .751997 au 
 Jupiter MOID = 2.47252 au 
 T_jup = 3.610 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.40   n/a MPCxxxxx  
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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