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JPL Small-Body Database Browser
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347204 (2011 HB28)
Classification: Main-belt Asteroid          SPK-ID: 2347204
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 .1613206322719932 7.119e-08  
a 2.308711126433645 1.8915e-08 au
q 1.936268387783984 1.6086e-07 au
i 3.387224967192143 6.2833e-06 deg
node 54.80561566872202 0.00011572 deg
peri 180.1413345528977 0.00011821 deg
M 198.9282421902123 2.6178e-05 deg
tp 2459573.783864348547
(2021-Dec-25.28386435)
9.7085e-05 TDB
period 1281.305884854109
3.51
1.5746e-05
4.311e-08
d
yr
n .2809633548518276 3.4528e-09 deg/d
Q 2.681153865083306 2.1966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      8221 days (22.51 yr)  
   first obs. used      1997-04-30  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:01:35  

Additional Information
 Earth MOID = .924846 au 
 Jupiter MOID = 2.31513 au 
 T_jup = 3.566 
[ 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 17.9   n/a MPO437470  

347204 (2011 HB28)          Discovered 1997-Apr-30 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2011 HB28 = 1997 HG8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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