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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05881331360770799 4.923e-08  
a 2.224111673066689 1.3388e-08 au
q 2.093304295740054 1.0835e-07 au
i 6.293712990230713 4.3177e-06 deg
node 123.5159696131331 5.9295e-05 deg
peri 152.7155029046026 8.6722e-05 deg
M 158.4434533211821 6.314e-05 deg
tp 2458467.281621705821
(2018-Dec-14.78162171)
0.00021103 TDB
period 1211.527596515985
3.32
1.0939e-05
2.995e-08
d
yr
n .2971455219305441 2.683e-09 deg/d
Q 2.354919050393324 1.4175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      6907 days (18.91 yr)  
   first obs. used      2001-01-25  
   last obs. used      2019-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47699  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:14:08  

Additional Information
 Earth MOID = 1.07897 au 
 Jupiter MOID = 2.7042 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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