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123459 (2000 WQ139)
Classification: Main-belt Asteroid          SPK-ID: 2123459
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1438324128950668 3.9795e-08  
a 2.777757611101423 1.611e-08 au
q 2.378226031459069 1.0985e-07 au
i 3.568479468609616 4.5994e-06 deg
node 67.75516482783136 7.5312e-05 deg
peri 44.09945778784672 7.8391e-05 deg
M 33.12641425903533 1.8227e-05 deg
tp 2458844.899182614439
(2019-Dec-27.39918261)
8.5805e-05 TDB
period 1690.985743907472
4.63
1.4711e-05
4.028e-08
d
yr
n .2128935748258435 1.8521e-09 deg/d
Q 3.177289190743777 1.8427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      8872 days (24.29 yr)  
   first obs. used      1995-10-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5289  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:37:57  

Additional Information
 Earth MOID = 1.39642 au 
 Jupiter MOID = 1.93548 au 
 T_jup = 3.317 
[ 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 15.9   n/a MPO439792  
diameter diameter 2.673 km 0.503 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123459 (2000 WQ139)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2000 WQ139 = 1995 UE19 = 2002 GP71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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