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118950 (2000 WG89)
Classification: Main-belt Asteroid          SPK-ID: 2118950
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136365105488754 4.3658e-08  
a 2.966919910622281 2.0534e-08 au
q 2.562335564033589 1.2906e-07 au
i 12.54579525573239 5.2142e-06 deg
node 55.15977427037193 1.9172e-05 deg
peri 7.139341359270098 2.6748e-05 deg
M 295.4001128529358 1.8632e-05 deg
tp 2459335.454965272147
(2021-Apr-30.95496527)
9.7966e-05 TDB
period 1866.62535839202
5.11
1.9378e-05
5.305e-08
d
yr
n .1928614107707811 2.0022e-09 deg/d
Q 3.371504257210972 2.3334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      6439 days (17.63 yr)  
   first obs. used      2000-10-19  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58943  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:39:35  

Additional Information
 Earth MOID = 1.5756 au 
 Jupiter MOID = 1.98867 au 
 T_jup = 3.214 
[ 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 15.2   n/a MPO439771  
diameter diameter 3.101 km 0.996 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118950 (2000 WG89)          Discovered 2000-Nov-21 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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