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180262 (2003 WH18)
Classification: Main-belt Asteroid          SPK-ID: 2180262
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07533014587763852 5.19e-08  
a 2.279059072407104 1.1449e-08 au
q 2.107377220018921 1.2191e-07 au
i 6.99965671723047 5.9341e-06 deg
node 325.1638623173843 4.4112e-05 deg
peri 92.24700994158169 6.4923e-05 deg
M 342.9893032618222 4.5428e-05 deg
tp 2459259.881532480885
(2021-Feb-14.38153248)
0.00015858 TDB
period 1256.700535089813
3.44
9.4697e-06
2.593e-08
d
yr
n .2864644280383565 2.1586e-09 deg/d
Q 2.450740924795286 1.2311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7790 days (21.33 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52408  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:43:03  

Additional Information
 Earth MOID = 1.1322 au 
 Jupiter MOID = 2.75429 au 
 T_jup = 3.593 
[ 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 17.19   n/a E2021B55  

180262 (2003 WH18)          Discovered 2003-Nov-19 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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