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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456955.5 (2014-Oct-25.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073208587651224 4.6038e-08  
q 2.668389856840831 1.3964e-07 au
tp 2457275.301443843995
(2015-Sep-09.80144384)
9.1097e-05 TDB
node 209.6006902435659 2.0247e-05 deg
peri 165.9922729203696 2.7592e-05 deg
i 10.33033484036784 4.8058e-06 deg
  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
 Jupiter MOID = 2.16382 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.119513284601191E-15 -6.395624550188824E-15 -5.054667160135253E-13 -7.383277704531232E-15 -1.310522103006727E-13 -5.002746872897956E-18
q -6.395624550188824E-15 1.949839281883615E-14 1.106283681615254E-12 2.198276937146821E-14 3.054090493734196E-13 4.696950396001326E-16
tp -5.054667160135253E-13 1.106283681615254E-12 8.298725517274907E-9 1.739167590682162E-12 1.720844978608467E-9 -3.124852464768958E-12
node -7.383277704531232E-15 2.198276937146821E-14 1.739167590682162E-12 4.099594383903129E-10 -4.022881229219505E-10 -1.984943786976518E-11
peri -1.310522103006727E-13 3.054090493734196E-13 1.720844978608467E-9 -4.022881229219505E-10 7.613416215202115E-10 1.88522146644262E-11
i -5.002746872897956E-18 4.696950396001326E-16 -3.124852464768958E-12 -1.984943786976518E-11 1.88522146644262E-11 2.309598433191634E-11

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

[ show close-approach data ]
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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