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JPL Small-Body Database Browser
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295352 (2008 HH31)
Classification: Main-belt Asteroid          SPK-ID: 2295352
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303447535651699 5.6075e-08  
a 2.3402379299243 2.1381e-08 au
q 2.035200193664454 1.3122e-07 au
i 5.171005108383887 5.9541e-06 deg
node 179.7105196800249 7.5041e-05 deg
peri 283.5735366068117 8.2267e-05 deg
M 128.560810977705 4.0766e-05 deg
tp 2458133.524011131426
(2018-Jan-15.02401113)
0.00014443 TDB
period 1307.640755485282
3.58
1.792e-05
4.906e-08
d
yr
n .2753049707955909 3.7729e-09 deg/d
Q 2.645275666184146 2.4168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1997-03-11  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:42:59  

Additional Information
 Earth MOID = 1.05949 au 
 Jupiter MOID = 2.48976 au 
 T_jup = 3.548 
[ 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 17.6   n/a MPO433904  

295352 (2008 HH31)          Discovered 2008-Apr-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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