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JPL Small-Body Database Browser
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392146 (2009 HB39)
Classification: Main-belt Asteroid          SPK-ID: 2392146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06360825623772189 9.3941e-08  
a 3.066911797738649 5.8526e-08 au
q 2.871830886249596 2.923e-07 au
i 10.33846586408893 1.3485e-05 deg
node 162.4101108061886 4.8039e-05 deg
peri 97.90753445186964 0.00011857 deg
M 351.5524399395569 0.00011098 deg
tp 2459046.534045595529
(2020-Jul-16.03404560)
0.00060513 TDB
period 1961.780241373159
5.37
5.6155e-05
1.537e-07
d
yr
n .1835067926609435 5.2528e-09 deg/d
Q 3.261992709227701 6.2249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6235 days (17.07 yr)  
   first obs. used      2003-04-01  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62627  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:22:42  

Additional Information
 Earth MOID = 1.88073 au 
 Jupiter MOID = 1.83323 au 
 T_jup = 3.204 
[ 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 16.3   n/a MPO472028  

392146 (2009 HB39)          Discovered 2009-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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