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JPL Small-Body Database Browser
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233527 (2007 HU31)
Classification: Main-belt Asteroid          SPK-ID: 2233527
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04658472021697359 5.5484e-08  
a 2.785135002133799 3.123e-08 au
q 2.655390267292896 1.4733e-07 au
i 3.361387677386083 7.2477e-06 deg
node 258.9730044592827 0.0001512 deg
peri 43.19926750842342 0.00019807 deg
M 131.432854100667 0.00013117 deg
tp 2457980.674781901549
(2017-Aug-15.17478190)		 0.00061673 TDB
period 1697.726797780235
4.65		 2.8555e-05
7.818e-08		 d
yr
n .2120482520925612 3.5666e-09 deg/d
Q 2.914879736974703 3.2685e-08 au
   Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      8882 days (24.32 yr)  
   first obs. used      1994-09-08  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5961  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:10:24  

Additional Information
 Earth MOID = 1.64031 au 
 Jupiter MOID = 2.18819 au 
 T_jup = 3.327 
[ 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 16.5   n/a MPO418247  
diameter diameter 3.333 km 0.551 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233527 (2007 HU31)          Discovered 2007-Apr-19 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2007 HU31 = 2004 TH231 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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