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118927 (2000 WQ2)
Classification: Main-belt Asteroid          SPK-ID: 2118927
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605395759791495 4.9965e-08  
a 3.17351409720738 2.9063e-08 au
q 2.664039489677854 1.676e-07 au
i 6.176340135200936 4.7343e-06 deg
node 77.83521666793514 4.96e-05 deg
peri 288.8695412147839 5.1776e-05 deg
M 214.9754464322394 1.7226e-05 deg
tp 2459832.355918964526
(2022-Sep-09.85591896)
0.00010584 TDB
period 2064.947786150621
5.65
2.8366e-05
7.766e-08
d
yr
n .1743385486134229 2.3949e-09 deg/d
Q 3.682988704736906 3.3729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      1999-08-13  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55804  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:24:46  

Additional Information
 Earth MOID = 1.67123 au 
 Jupiter MOID = 1.81365 au 
 T_jup = 3.172 
[ 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 15.0   n/a MPO436572  
diameter diameter 4.195 km 1.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.110   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118927 (2000 WQ2)          Discovered 2000-Nov-19 by Spacewatch at Kitt Peak
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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