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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364436915242799 4.0045e-08  
a 2.966735614601448 1.5005e-08 au
q 2.561943255568673 1.2281e-07 au
i 12.54597275199355 4.7333e-06 deg
node 55.15811286399728 1.8112e-05 deg
peri 7.203836282193167 2.582e-05 deg
M 333.9278885345755 1.7644e-05 deg
tp 2459335.673138674177
(2021-May-01.17313867)
9.1731e-05 TDB
period 1866.451437477062
5.11
1.4161e-05
3.877e-08
d
yr
n .192879382110591 1.4634e-09 deg/d
Q 3.371527973634223 1.7053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      7390 days (20.23 yr)  
   first obs. used      2000-10-19  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:21:09  

Additional Information
 Earth MOID = 1.57455 au 
 Jupiter MOID = 1.98932 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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