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JPL Small-Body Database Browser
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379862 (2012 HJ)
Classification: Inner Main-belt Asteroid          SPK-ID: 2379862
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .09226016926838321 1.3364e-07  
a 1.863184619622901 1.5756e-08 au
q 1.691286891238244 2.5847e-07 au
i 23.96907897635787 1.1809e-05 deg
node 223.2123912576994 1.1961e-05 deg
peri 312.5779304866044 7.2602e-05 deg
M 102.132708046594 6.1046e-05 deg
tp 2458736.961172619286
(2019-Sep-10.46117262)
0.00015903 TDB
period 928.928446837759
2.54
1.1783e-05
3.226e-08
d
yr
n .3875433045736787 4.9159e-09 deg/d
Q 2.035082348007558 1.721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      6048 days (16.56 yr)  
   first obs. used      2002-06-15  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65194  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:39:36  

Additional Information
 Earth MOID = .721149 au 
 Jupiter MOID = 2.98734 au 
 T_jup = 3.882 
[ 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 17.8   n/a MPO471896  

379862 (2012 HJ)          Discovered 2007-Apr-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

Alternate Designations
 2012 HJ = 2007 KQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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