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249239 (2008 HS35)
Classification: Main-belt Asteroid          SPK-ID: 2249239
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03671968883254424 5.4681e-08  
a 3.149991104225295 4.4205e-08 au
q 3.03432441105286 1.9023e-07 au
i 22.91062607526484 8.0481e-06 deg
node 48.746192106404 1.4596e-05 deg
peri 271.7314981176035 0.00015385 deg
M 322.1435345697623 0.00015965 deg
tp 2459215.233587363836
(2020-Dec-31.73358736)
0.00090718 TDB
period 2042.031409230161
5.59
4.2984e-05
1.177e-07
d
yr
n .1762950356065869 3.711e-09 deg/d
Q 3.265657797397731 4.5828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      1999-10-19  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:20:52  

Additional Information
 Earth MOID = 2.10571 au 
 Jupiter MOID = 1.85539 au 
 T_jup = 3.084 
[ 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 14.8   n/a MPO264606  
diameter diameter 7.495 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249239 (2008 HS35)          Discovered 2008-Apr-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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