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JPL Small-Body Database Browser
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351787 (2006 HP31)
Classification: Main-belt Asteroid          SPK-ID: 2351787
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1486616898593204 5.2469e-08  
a 2.40338226996519 1.5969e-08 au
q 2.046091400334236 1.283e-07 au
i 5.877326338063382 5.0897e-06 deg
node 84.80267795086436 6.2874e-05 deg
peri 126.1822919348201 6.5991e-05 deg
M 180.5977478749448 2.0952e-05 deg
tp 2459278.700485389596
(2021-Mar-05.20048539)
8.1581e-05 TDB
period 1360.920344355903
3.73
1.3563e-05
3.713e-08
d
yr
n .2645268707261342 2.6364e-09 deg/d
Q 2.760673139596145 1.8342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      6064 days (16.60 yr)  
   first obs. used      2002-02-08  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53203  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:55:20  

Additional Information
 Earth MOID = 1.04656 au 
 Jupiter MOID = 2.21607 au 
 T_jup = 3.502 
[ 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 16.7   n/a MPO455547  

351787 (2006 HP31)          Discovered 2006-Apr-18 by NEAT at Palomar
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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