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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04682942513955277 5.5576e-08  
a 2.784556001977681 2.8595e-08 au
q 2.654156845136175 1.4755e-07 au
i 3.36128240871 5.3751e-06 deg
node 258.9709623135278 0.00011226 deg
peri 43.44460397646717 0.0001542 deg
M 215.9956851144251 0.00011228 deg
tp 2459679.399308691659
(2022-Apr-09.89930869)
0.00053482 TDB
period 1697.197416085756
4.65
2.6143e-05
7.158e-08
d
yr
n .2121143931683961 3.2674e-09 deg/d
Q 2.914955158819188 2.9934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      9277 days (25.40 yr)  
   first obs. used      1994-09-08  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:21:00  

Additional Information
 Earth MOID = 1.63985 au 
 Jupiter MOID = 2.18905 au 
 T_jup = 3.328 
[ 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 16.6   n/a MPO470486  
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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