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268701 (2006 HG12)
Classification: Main-belt Asteroid          SPK-ID: 2268701
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07546404513721508 4.4805e-08  
a 3.12371632578177 3.8831e-08 au
q 2.887988055977119 1.5701e-07 au
i 11.27271334369072 5.0343e-06 deg
node 68.11394052660634 3.1248e-05 deg
peri 9.562254504160862 5.279e-05 deg
M 331.1286078785539 4.2635e-05 deg
tp 2459162.222718252832
(2020-Nov-08.72271825)		 0.00023953 TDB
period 2016.53520294828
5.52		 3.7602e-05
1.029e-07		 d
yr
n .178524034429779 3.3289e-09 deg/d
Q 3.359444595586421 4.1762e-08 au
   Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      9830 days (26.91 yr)  
   first obs. used      1993-12-17  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61485  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:22:25  

Additional Information
 Earth MOID = 1.90374 au 
 Jupiter MOID = 1.91709 au 
 T_jup = 3.181 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO418426  

268701 (2006 HG12)          Discovered 2006-Apr-19 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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