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259110 (2002 WT18)
Classification: Main-belt Asteroid          SPK-ID: 2259110
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637024857246766 4.7834e-08  
a 2.547048814839121 1.7186e-08 au
q 2.130090592587865 1.2278e-07 au
i 4.873789969108388 8.057e-06 deg
node 10.76186230537067 4.0033e-05 deg
peri 128.1629709673492 4.7828e-05 deg
M 47.80210478782757 2.3457e-05 deg
tp 2458803.349061728114
(2019-Nov-15.84906173)
9.6793e-05 TDB
period 1484.75340349348
4.07
1.5028e-05
4.114e-08
d
yr
n .2424645056565993 2.4541e-09 deg/d
Q 2.964007037090377 2e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      6390 days (17.49 yr)  
   first obs. used      2002-11-24  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54934  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:12:21  

Additional Information
 Earth MOID = 1.14722 au 
 Jupiter MOID = 2.0638 au 
 T_jup = 3.418 
[ 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 17.18   n/a E2021B55  
rotation period rot_per 5.52 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

259110 (2002 WT18)          Discovered 2002-Nov-25 by Lulin at Lulin
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ show close-approach data ]
Alternate Designations
 2002 WT18 = 2006 VV150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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