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268706 (2006 HD23)
Classification: Main-belt Asteroid          SPK-ID: 2268706
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091220516777741 6.5339e-08  
a 2.984428262877268 3.5323e-08 au
q 2.658761327746965 1.8279e-07 au
i 10.84342224468257 5.9984e-06 deg
node 45.90249641231879 2.9759e-05 deg
peri 267.9742836169201 4.7184e-05 deg
M 175.8497872972746 4.2615e-05 deg
tp 2458080.623572945597
(2017-Nov-23.12357295)
0.00021658 TDB
period 1883.172671569774
5.16
3.3433e-05
9.153e-08
d
yr
n .1911667503649102 3.3939e-09 deg/d
Q 3.310095198007571 3.9177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      6353 days (17.39 yr)  
   first obs. used      2002-09-09  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 13:05:58  

Additional Information
 Earth MOID = 1.67364 au 
 Jupiter MOID = 1.99234 au 
 T_jup = 3.222 
[ 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 15.4   n/a MPO454997  

268706 (2006 HD23)          Discovered 2006-Apr-20 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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