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JPL Small-Body Database Browser
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268241 (2005 HC6)
Classification: Main-belt Asteroid          SPK-ID: 2268241
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 .05895952416369524 4.9683e-08  
a 2.223757911951652 1.3466e-08 au
q 2.09264620360773 1.0954e-07 au
i 6.293624837569117 4.3903e-06 deg
node 123.5190421671792 5.9321e-05 deg
peri 152.5290810261726 8.6648e-05 deg
M 39.7434234879217 6.2639e-05 deg
tp 2458466.781203275082
(2018-Dec-14.28120328)
0.0002104 TDB
period 1211.238554615208
3.32
1.1002e-05
3.012e-08
d
yr
n .2972164307586513 2.6997e-09 deg/d
Q 2.354869620295573 1.426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      6853 days (18.76 yr)  
   first obs. used      2001-01-25  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4718  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:15:23  

Additional Information
 Earth MOID = 1.07777 au 
 Jupiter MOID = 2.70445 au 
 T_jup = 3.637 
[ 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 17.4   n/a MPO494451  

268241 (2005 HC6)          Discovered 2005-Apr-30 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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