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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030652064179383 4.8015e-08  
a 2.989534467750504 2.0306e-08 au
q 2.681417480738257 1.4131e-07 au
i 10.31062672970411 4.9688e-06 deg
node 209.4471016125163 2.3484e-05 deg
peri 166.9501757588721 3.1329e-05 deg
M 327.8908129309766 2.0547e-05 deg
tp 2459168.895539616576
(2020-Nov-15.39553962)
0.00010804 TDB
period 1888.00775714598
5.17
1.9236e-05
5.267e-08
d
yr
n .1906771826743956 1.9428e-09 deg/d
Q 3.297651454762752 2.2399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1300  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1998-05-22  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:32:08  

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

[ 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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