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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039344263117523 5.3426e-08  
a 2.993845604402641 2.2221e-08 au
q 2.682681979043091 1.5478e-07 au
i 10.31561201311467 5.1533e-06 deg
node 209.5471810056983 2.3812e-05 deg
peri 166.131910623117 3.1621e-05 deg
M 252.4911273491962 2.06e-05 deg
tp 2459165.546687534370
(2020-Nov-12.04668753)
0.00010957 TDB
period 1892.09320586111
5.18
2.1065e-05
5.767e-08
d
yr
n .1902654683632039 2.1182e-09 deg/d
Q 3.305009229762191 2.453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1151  
   data-arc span      7329 days (20.07 yr)  
   first obs. used      1998-05-22  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:05:07  

Additional Information
 Earth MOID = 1.68502 au 
 Jupiter MOID = 2.15548 au 
 T_jup = 3.222 
[ 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-January); 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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