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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635858553591379 4.786e-08  
a 2.547181007118777 1.7026e-08 au
q 2.130498223314702 1.227e-07 au
i 4.873638245334732 8.0567e-06 deg
node 10.75914379650364 4.0034e-05 deg
peri 128.1959481177055 4.7849e-05 deg
M 96.2764572516778 2.349e-05 deg
tp 2458803.394649525373
(2019-Nov-15.89464953)
9.6905e-05 TDB
period 1484.86899343582
4.07
1.4887e-05
4.076e-08
d
yr
n .2424456309556309 2.4308e-09 deg/d
Q 2.963863790922852 1.9811e-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 = 1.14751 au 
 Jupiter MOID = 2.06313 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2077-Nov-09 11:20 < 00:01 Thisb 0.0346891824263532 0.0346789132725776 0.0346994672106376 6.13291889697025 6.13291886492132 2479981.972367272 0.950148673490955 1277.56523490325 65.0581316502846 -66.5286900670448 73165.1434700457 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 23:12:21 2020-Nov-11 23:12

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