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181618 (2006 WX149)
Classification: Outer Main-belt Asteroid          SPK-ID: 2181618
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812681348045705 5.847e-08  
a 3.927358165331021 7.3659e-08 au
q 3.215453275991966 2.1676e-07 au
i 5.035108604854138 6.319e-06 deg
node 74.02691309428147 9.972e-05 deg
peri 30.68010531649751 0.00010316 deg
M 266.4905924622472 3.0946e-05 deg
tp 2459938.917526077652
(2022-Dec-25.41752608)
0.00026099 TDB
period 2842.818881946505
7.78
7.9977e-05
2.19e-07
d
yr
n .1266348701587013 3.5626e-09 deg/d
Q 4.639263054670075 8.7011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      8002 days (21.91 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:20  

Additional Information
 Earth MOID = 2.23356 au 
 Jupiter MOID = .57785 au 
 T_jup = 3.027 
[ 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 MPO475531  

181618 (2006 WX149)          Discovered 2006-Nov-20 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2006 WX149 = 1998 WQ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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