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39118 (2000 WD35)
Classification: Main-belt Asteroid          SPK-ID: 2039118
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030651890957693 4.5485e-08  
a 2.989534453627412 1.6082e-08 au
q 2.681417519855986 1.3694e-07 au
i 10.31062648198009 4.7949e-06 deg
node 209.4470980782239 2.0316e-05 deg
peri 166.9501725564118 2.8447e-05 deg
M 327.8908243536611 1.795e-05 deg
tp 2459168.895478517401
(2020-Nov-15.39547852)
9.3873e-05 TDB
period 1888.007743767053
5.17
1.5235e-05
4.171e-08
d
yr
n .190677184025585 1.5386e-09 deg/d
Q 3.297651387398838 1.774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1583  
   data-arc span      8191 days (22.43 yr)  
   first obs. used      1998-05-22  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:22:43  

Additional Information
 Earth MOID = 1.68457 au 
 Jupiter MOID = 2.16382 au 
 T_jup = 3.224 
[ 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 13.8   n/a MPO436043  
diameter diameter 5.779 km 1.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.226 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.175   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

39118 (2000 WD35)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2000 WD35 = 1998 KE34 = 1999 RD121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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