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181533 (2006 UJ144)
Classification: Main-belt Asteroid          SPK-ID: 2181533
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951007141141706 4.7884e-08  
a 2.666119837409125 1.5514e-08 au
q 2.145957953216648 1.2446e-07 au
i 2.372207577732183 5.0222e-06 deg
node 287.4978293018913 0.00012779 deg
peri 58.41067458520465 0.00012863 deg
M 134.5919904647384 1.4476e-05 deg
tp 2458606.023568358927
(2019-May-02.52356836)
6.1906e-05 TDB
period 1590.076160192125
4.35
1.3878e-05
3.8e-08
d
yr
n .2264042496910979 1.9761e-09 deg/d
Q 3.186281721601602 1.854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7148 days (19.57 yr)  
   first obs. used      2001-07-14  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:59  

Additional Information
 Earth MOID = 1.13813 au 
 Jupiter MOID = 2.23823 au 
 T_jup = 3.355 
[ 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 16.71   n/a MPCxxxxx  
diameter diameter 2.295 km 0.501 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181533 (2006 UJ144)          Discovered 2006-Oct-19 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2006 UJ144 = 2001 QB202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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