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181629 (2006 XK8)
Classification: Main-belt Asteroid          SPK-ID: 2181629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0401566823773321 5.6412e-08  
a 3.104611738599916 4.0455e-08 au
q 2.979940831108022 1.7247e-07 au
i 9.8232092166957 7.3132e-06 deg
node 81.34458128538414 4.3358e-05 deg
peri 24.56725967922159 0.0001248 deg
M 186.6406414889431 0.0001189 deg
tp 2460162.675203149980
(2023-Aug-06.17520315)
0.00066636 TDB
period 1998.063883651833
5.47
3.9054e-05
1.069e-07
d
yr
n .1801744193193829 3.5216e-09 deg/d
Q 3.22928264609181 4.2079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      7226 days (19.78 yr)  
   first obs. used      2000-11-03  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57636  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:23  

Additional Information
 Earth MOID = 1.99941 au 
 Jupiter MOID = 1.90934 au 
 T_jup = 3.197 
[ 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 15.0   n/a MPO475531  

181629 (2006 XK8)          Discovered 2006-Dec-09 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2006 XK8 = 2003 HX12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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