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46589 (1992 WU)
Classification: Main-belt Asteroid          SPK-ID: 2046589
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17850071817024 3.184e-08  
a 2.235834315590773 6.6197e-09 au
q 1.836736284548153 7.0471e-08 au
i 4.909990166866601 3.4546e-06 deg
node 232.4498039615218 4.6969e-05 deg
peri 162.4725799910711 4.8378e-05 deg
M 157.5596565956212 1.235e-05 deg
tp 2458666.058249483397
(2019-Jul-01.55824948)
4.0781e-05 TDB
period 1221.118618453018
3.34
5.4231e-06
1.485e-08
d
yr
n .2948116542978177 1.3093e-09 deg/d
Q 2.634932346633393 7.8013e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1516  
   data-arc span      10353 days (28.34 yr)  
   first obs. used      1992-11-16  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:39:20  

Additional Information
 Earth MOID = .84322 au 
 Jupiter MOID = 2.78867 au 
 T_jup = 3.612 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.77   n/a E2021B10  
diameter diameter 3.025 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46589 (1992 WU)          Discovered 1992-Nov-16 by Endate, K., Watanabe, K. at Kitami
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 WU = 2000 AY119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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