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JPL Small-Body Database Browser
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379874 (2012 HB39)
Classification: Main-belt Asteroid          SPK-ID: 2379874
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03395601732800943 1.0293e-07  
a 2.227537714975846 3.2743e-08 au
q 2.151899405727332 2.2634e-07 au
i 4.520035460604583 1.0487e-05 deg
node 153.4722339015011 5.5686e-05 deg
peri 4.145207219748091 8.909e-05 deg
M 206.686220308053 6.9687e-05 deg
tp 2459517.647840552135
(2021-Oct-30.14784055)
0.00023786 TDB
period 1214.328046525538
3.32
2.6775e-05
7.331e-08
d
yr
n .2964602530840328 6.5367e-09 deg/d
Q 2.30317602422436 3.3855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      5203 days (14.25 yr)  
   first obs. used      2003-09-27  
   last obs. used      2017-12-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48325  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:40:52  

Additional Information
 Earth MOID = 1.16044 au 
 Jupiter MOID = 2.66313 au 
 T_jup = 3.640 
[ 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 17.5   n/a MPO434349  

379874 (2012 HB39)          Discovered 2010-Oct-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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