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118949 (2000 WM88)
Classification: Main-belt Asteroid          SPK-ID: 2118949
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2056153175136523 4.35e-08  
a 3.109153040065486 2.2971e-08 au
q 2.469863550533884 1.3581e-07 au
i 18.51579264678986 6.5875e-06 deg
node 90.89581827699898 1.8697e-05 deg
peri 53.31253977665041 2.6002e-05 deg
M 173.7802090943185 1.7678e-05 deg
tp 2458033.871955744743
(2017-Oct-07.37195574)
9.6164e-05 TDB
period 2002.449517959922
5.48
2.2192e-05
6.076e-08
d
yr
n .1797798130595396 1.9924e-09 deg/d
Q 3.748442529597089 2.7694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      6843 days (18.74 yr)  
   first obs. used      1999-10-16  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49309  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:39:36  

Additional Information
 Earth MOID = 1.52961 au 
 Jupiter MOID = 1.59091 au 
 T_jup = 3.108 
[ 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 13.9   n/a MPO449694  
diameter diameter 5.728 km 1.539 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118949 (2000 WM88)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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